Home / 19,586,154.20-27,000,405.65-13,687,475.02

Finding the Fourth Proportional to 19,586,154.20, 27,000,405.65 and 13,687,475.02

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Solution

The fourth proportional to 19,586,154.20, 27,000,405.65 and 13,687,475.02 is: 18,868,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586,154.20 : 27,000,405.65 = 13,687,475.02 : x
  2. Step 2: Convert to fraction form
    19,586,154.20/27,000,405.65 = 13,687,475.02/x
  3. Step 3: Cross multiply
    19,586,154.20x = 27,000,405.65 × 13,687,475.02
  4. Step 4: Simplify right side
    19,586,154.20x = 369,567,377,830,959.56
  5. Step 5: Solve for x
    x = 369,567,377,830,959.56/19,586,154.20
  6. Step 6: Final answer
    x = 18,868,807.74

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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.