Home / 20,419,038.27-28,176,946.47-11,251,681.02

Finding the Fourth Proportional to 20,419,038.27, 28,176,946.47 and 11,251,681.02

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Solution

The fourth proportional to 20,419,038.27, 28,176,946.47 and 11,251,681.02 is: 15,526,588.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,419,038.27 : 28,176,946.47 = 11,251,681.02 : x
  2. Step 2: Convert to fraction form
    20,419,038.27/28,176,946.47 = 11,251,681.02/x
  3. Step 3: Cross multiply
    20,419,038.27x = 28,176,946.47 × 11,251,681.02
  4. Step 4: Simplify right side
    20,419,038.27x = 317,038,013,798,055
  5. Step 5: Solve for x
    x = 317,038,013,798,055/20,419,038.27
  6. Step 6: Final answer
    x = 15,526,588.94

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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.