Home / 15,427,438.13-21,292,033.38-9,548,957.86

Finding the Fourth Proportional to 15,427,438.13, 21,292,033.38 and 9,548,957.86

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Solution

The fourth proportional to 15,427,438.13, 21,292,033.38 and 9,548,957.86 is: 13,178,904.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427,438.13 : 21,292,033.38 = 9,548,957.86 : x
  2. Step 2: Convert to fraction form
    15,427,438.13/21,292,033.38 = 9,548,957.86/x
  3. Step 3: Cross multiply
    15,427,438.13x = 21,292,033.38 × 9,548,957.86
  4. Step 4: Simplify right side
    15,427,438.13x = 203,316,729,392,873.19
  5. Step 5: Solve for x
    x = 203,316,729,392,873.19/15,427,438.13
  6. Step 6: Final answer
    x = 13,178,904.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.