Home / 52,689,340.71-72,712,151.02-28,846,570.13

Finding the Fourth Proportional to 52,689,340.71, 72,712,151.02 and 28,846,570.13

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Solution

The fourth proportional to 52,689,340.71, 72,712,151.02 and 28,846,570.13 is: 39,808,738.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,689,340.71 : 72,712,151.02 = 28,846,570.13 : x
  2. Step 2: Convert to fraction form
    52,689,340.71/72,712,151.02 = 28,846,570.13/x
  3. Step 3: Cross multiply
    52,689,340.71x = 72,712,151.02 × 28,846,570.13
  4. Step 4: Simplify right side
    52,689,340.71x = 2,097,496,163,701,580.75
  5. Step 5: Solve for x
    x = 2,097,496,163,701,580.75/52,689,340.71
  6. Step 6: Final answer
    x = 39,808,738.08

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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.