Home / 18,195,308.22-25,109,646.74-9,935,427.86

Finding the Fourth Proportional to 18,195,308.22, 25,109,646.74 and 9,935,427.86

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Solution

The fourth proportional to 18,195,308.22, 25,109,646.74 and 9,935,427.86 is: 13,710,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195,308.22 : 25,109,646.74 = 9,935,427.86 : x
  2. Step 2: Convert to fraction form
    18,195,308.22/25,109,646.74 = 9,935,427.86/x
  3. Step 3: Cross multiply
    18,195,308.22x = 25,109,646.74 × 9,935,427.86
  4. Step 4: Simplify right side
    18,195,308.22x = 249,475,083,775,354.16
  5. Step 5: Solve for x
    x = 249,475,083,775,354.16/18,195,308.22
  6. Step 6: Final answer
    x = 13,710,956.73

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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.