Home / 18,195,308.10-25,109,646.57-9,935,427.74

Finding the Fourth Proportional to 18,195,308.10, 25,109,646.57 and 9,935,427.74

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Solution

The fourth proportional to 18,195,308.10, 25,109,646.57 and 9,935,427.74 is: 13,710,956.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195,308.10 : 25,109,646.57 = 9,935,427.74 : x
  2. Step 2: Convert to fraction form
    18,195,308.10/25,109,646.57 = 9,935,427.74/x
  3. Step 3: Cross multiply
    18,195,308.10x = 25,109,646.57 × 9,935,427.74
  4. Step 4: Simplify right side
    18,195,308.10x = 249,475,078,947,625.59
  5. Step 5: Solve for x
    x = 249,475,078,947,625.59/18,195,308.10
  6. Step 6: Final answer
    x = 13,710,956.56

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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.