Home / 52,695,628-72,719,966.64-28,578,380

Finding the Fourth Proportional to 52,695,628, 72,719,966.64 and 28,578,380

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Solution

The fourth proportional to 52,695,628, 72,719,966.64 and 28,578,380 is: 39,438,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,695,628 : 72,719,966.64 = 28,578,380 : x
  2. Step 2: Convert to fraction form
    52,695,628/72,719,966.64 = 28,578,380/x
  3. Step 3: Cross multiply
    52,695,628x = 72,719,966.64 × 28,578,380
  4. Step 4: Simplify right side
    52,695,628x = 2,078,218,840,225,243.25
  5. Step 5: Solve for x
    x = 2,078,218,840,225,243.25/52,695,628
  6. Step 6: Final answer
    x = 39,438,164.40

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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.