Home / 18,429,968.61-25,438,414.91-10,697,502.06

Finding the Fourth Proportional to 18,429,968.61, 25,438,414.91 and 10,697,502.06

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Solution

The fourth proportional to 18,429,968.61, 25,438,414.91 and 10,697,502.06 is: 14,765,488.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429,968.61 : 25,438,414.91 = 10,697,502.06 : x
  2. Step 2: Convert to fraction form
    18,429,968.61/25,438,414.91 = 10,697,502.06/x
  3. Step 3: Cross multiply
    18,429,968.61x = 25,438,414.91 × 10,697,502.06
  4. Step 4: Simplify right side
    18,429,968.61x = 272,127,495,849,372.22
  5. Step 5: Solve for x
    x = 272,127,495,849,372.22/18,429,968.61
  6. Step 6: Final answer
    x = 14,765,488.84

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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.