Home / 12,074,715.30-18,133,068.15-6,406,011.30

Finding the Fourth Proportional to 12,074,715.30, 18,133,068.15 and 6,406,011.30

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Solution

The fourth proportional to 12,074,715.30, 18,133,068.15 and 6,406,011.30 is: 9,620,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074,715.30 : 18,133,068.15 = 6,406,011.30 : x
  2. Step 2: Convert to fraction form
    12,074,715.30/18,133,068.15 = 6,406,011.30/x
  3. Step 3: Cross multiply
    12,074,715.30x = 18,133,068.15 × 6,406,011.30
  4. Step 4: Simplify right side
    12,074,715.30x = 116,160,639,472,570.08
  5. Step 5: Solve for x
    x = 116,160,639,472,570.08/12,074,715.30
  6. Step 6: Final answer
    x = 9,620,155.56

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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.