Home / 19,956,790.80-29,935,186.20-15,652,118.70

Finding the Fourth Proportional to 19,956,790.80, 29,935,186.20 and 15,652,118.70

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Solution

The fourth proportional to 19,956,790.80, 29,935,186.20 and 15,652,118.70 is: 23,478,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956,790.80 : 29,935,186.20 = 15,652,118.70 : x
  2. Step 2: Convert to fraction form
    19,956,790.80/29,935,186.20 = 15,652,118.70/x
  3. Step 3: Cross multiply
    19,956,790.80x = 29,935,186.20 × 15,652,118.70
  4. Step 4: Simplify right side
    19,956,790.80x = 468,549,087,709,001.88
  5. Step 5: Solve for x
    x = 468,549,087,709,001.88/19,956,790.80
  6. Step 6: Final answer
    x = 23,478,178.05

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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.