Home / 15,408,085.65-23,112,128.48-7,445,461.65

Finding the Fourth Proportional to 15,408,085.65, 23,112,128.48 and 7,445,461.65

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Solution

The fourth proportional to 15,408,085.65, 23,112,128.48 and 7,445,461.65 is: 11,168,192.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408,085.65 : 23,112,128.48 = 7,445,461.65 : x
  2. Step 2: Convert to fraction form
    15,408,085.65/23,112,128.48 = 7,445,461.65/x
  3. Step 3: Cross multiply
    15,408,085.65x = 23,112,128.48 × 7,445,461.65
  4. Step 4: Simplify right side
    15,408,085.65x = 172,080,466,210,485.50
  5. Step 5: Solve for x
    x = 172,080,466,210,485.50/15,408,085.65
  6. Step 6: Final answer
    x = 11,168,192.48

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.