Home / 14,298,002.70-21,423,384.45-12,172,238.70

Finding the Fourth Proportional to 14,298,002.70, 21,423,384.45 and 12,172,238.70

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Solution

The fourth proportional to 14,298,002.70, 21,423,384.45 and 12,172,238.70 is: 18,238,250.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298,002.70 : 21,423,384.45 = 12,172,238.70 : x
  2. Step 2: Convert to fraction form
    14,298,002.70/21,423,384.45 = 12,172,238.70/x
  3. Step 3: Cross multiply
    14,298,002.70x = 21,423,384.45 × 12,172,238.70
  4. Step 4: Simplify right side
    14,298,002.70x = 260,770,549,287,268.19
  5. Step 5: Solve for x
    x = 260,770,549,287,268.19/14,298,002.70
  6. Step 6: Final answer
    x = 18,238,250.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.