Home / 19,366,280.70-29,049,421.05-11,808,008.70

Finding the Fourth Proportional to 19,366,280.70, 29,049,421.05 and 11,808,008.70

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Solution

The fourth proportional to 19,366,280.70, 29,049,421.05 and 11,808,008.70 is: 17,712,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,366,280.70 : 29,049,421.05 = 11,808,008.70 : x
  2. Step 2: Convert to fraction form
    19,366,280.70/29,049,421.05 = 11,808,008.70/x
  3. Step 3: Cross multiply
    19,366,280.70x = 29,049,421.05 × 11,808,008.70
  4. Step 4: Simplify right side
    19,366,280.70x = 343,015,816,488,363.12
  5. Step 5: Solve for x
    x = 343,015,816,488,363.12/19,366,280.70
  6. Step 6: Final answer
    x = 17,712,013.05

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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.