Home / 15,408,072.90-23,112,109.35-7,445,448.90

Finding the Fourth Proportional to 15,408,072.90, 23,112,109.35 and 7,445,448.90

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Solution

The fourth proportional to 15,408,072.90, 23,112,109.35 and 7,445,448.90 is: 11,168,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408,072.90 : 23,112,109.35 = 7,445,448.90 : x
  2. Step 2: Convert to fraction form
    15,408,072.90/23,112,109.35 = 7,445,448.90/x
  3. Step 3: Cross multiply
    15,408,072.90x = 23,112,109.35 × 7,445,448.90
  4. Step 4: Simplify right side
    15,408,072.90x = 172,080,029,136,637.25
  5. Step 5: Solve for x
    x = 172,080,029,136,637.25/15,408,072.90
  6. Step 6: Final answer
    x = 11,168,173.35

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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.