Home / 52,695,630-72,719,969.40-28,578,382

Finding the Fourth Proportional to 52,695,630, 72,719,969.40 and 28,578,382

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Solution

The fourth proportional to 52,695,630, 72,719,969.40 and 28,578,382 is: 39,438,167.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,695,630 : 72,719,969.40 = 28,578,382 : x
  2. Step 2: Convert to fraction form
    52,695,630/72,719,969.40 = 28,578,382/x
  3. Step 3: Cross multiply
    52,695,630x = 72,719,969.40 × 28,578,382
  4. Step 4: Simplify right side
    52,695,630x = 2,078,219,064,541,511
  5. Step 5: Solve for x
    x = 2,078,219,064,541,511/52,695,630
  6. Step 6: Final answer
    x = 39,438,167.16

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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.