Home / 15,657,668.40-23,480,867.70-5,419,746.48

Finding the Fourth Proportional to 15,657,668.40, 23,480,867.70 and 5,419,746.48

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Solution

The fourth proportional to 15,657,668.40, 23,480,867.70 and 5,419,746.48 is: 8,127,669.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,657,668.40 : 23,480,867.70 = 5,419,746.48 : x
  2. Step 2: Convert to fraction form
    15,657,668.40/23,480,867.70 = 5,419,746.48/x
  3. Step 3: Cross multiply
    15,657,668.40x = 23,480,867.70 × 5,419,746.48
  4. Step 4: Simplify right side
    15,657,668.40x = 127,260,350,064,420.70
  5. Step 5: Solve for x
    x = 127,260,350,064,420.70/15,657,668.40
  6. Step 6: Final answer
    x = 8,127,669.26

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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.