Home / 13,595,957.40-20,417,555.70-7,218,665.40

Finding the Fourth Proportional to 13,595,957.40, 20,417,555.70 and 7,218,665.40

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Solution

The fourth proportional to 13,595,957.40, 20,417,555.70 and 7,218,665.40 is: 10,840,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595,957.40 : 20,417,555.70 = 7,218,665.40 : x
  2. Step 2: Convert to fraction form
    13,595,957.40/20,417,555.70 = 7,218,665.40/x
  3. Step 3: Cross multiply
    13,595,957.40x = 20,417,555.70 × 7,218,665.40
  4. Step 4: Simplify right side
    13,595,957.40x = 147,387,502,884,162.78
  5. Step 5: Solve for x
    x = 147,387,502,884,162.78/13,595,957.40
  6. Step 6: Final answer
    x = 10,840,538.74

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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.