Home / 25,285,875.17-34,890,754.08-15,357,591.36

Finding the Fourth Proportional to 25,285,875.17, 34,890,754.08 and 15,357,591.36

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Solution

The fourth proportional to 25,285,875.17, 34,890,754.08 and 15,357,591.36 is: 21,191,196.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,285,875.17 : 34,890,754.08 = 15,357,591.36 : x
  2. Step 2: Convert to fraction form
    25,285,875.17/34,890,754.08 = 15,357,591.36/x
  3. Step 3: Cross multiply
    25,285,875.17x = 34,890,754.08 × 15,357,591.36
  4. Step 4: Simplify right side
    25,285,875.17x = 535,837,943,402,892.69
  5. Step 5: Solve for x
    x = 535,837,943,402,892.69/25,285,875.17
  6. Step 6: Final answer
    x = 21,191,196.27

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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.