Home / 7,010,814.20-10,516,221.30-6,680,139.80

Finding the Fourth Proportional to 7,010,814.20, 10,516,221.30 and 6,680,139.80

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Solution

The fourth proportional to 7,010,814.20, 10,516,221.30 and 6,680,139.80 is: 10,020,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010,814.20 : 10,516,221.30 = 6,680,139.80 : x
  2. Step 2: Convert to fraction form
    7,010,814.20/10,516,221.30 = 6,680,139.80/x
  3. Step 3: Cross multiply
    7,010,814.20x = 10,516,221.30 × 6,680,139.80
  4. Step 4: Simplify right side
    7,010,814.20x = 70,249,828,451,737.74
  5. Step 5: Solve for x
    x = 70,249,828,451,737.74/7,010,814.20
  6. Step 6: Final answer
    x = 10,020,209.70

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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.