Home / 28,569,309.52-39,425,931.48-15,516,823.76

Finding the Fourth Proportional to 28,569,309.52, 39,425,931.48 and 15,516,823.76

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Solution

The fourth proportional to 28,569,309.52, 39,425,931.48 and 15,516,823.76 is: 21,413,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,569,309.52 : 39,425,931.48 = 15,516,823.76 : x
  2. Step 2: Convert to fraction form
    28,569,309.52/39,425,931.48 = 15,516,823.76/x
  3. Step 3: Cross multiply
    28,569,309.52x = 39,425,931.48 × 15,516,823.76
  4. Step 4: Simplify right side
    28,569,309.52x = 611,765,230,348,995.88
  5. Step 5: Solve for x
    x = 611,765,230,348,995.88/28,569,309.52
  6. Step 6: Final answer
    x = 21,413,371.22

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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.