Home / 9,678,715.71-13,357,008.42-5,328,206.83

Finding the Fourth Proportional to 9,678,715.71, 13,357,008.42 and 5,328,206.83

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Solution

The fourth proportional to 9,678,715.71, 13,357,008.42 and 5,328,206.83 is: 7,353,135.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,678,715.71 : 13,357,008.42 = 5,328,206.83 : x
  2. Step 2: Convert to fraction form
    9,678,715.71/13,357,008.42 = 5,328,206.83/x
  3. Step 3: Cross multiply
    9,678,715.71x = 13,357,008.42 × 5,328,206.83
  4. Step 4: Simplify right side
    9,678,715.71x = 71,168,903,425,026.47
  5. Step 5: Solve for x
    x = 71,168,903,425,026.47/9,678,715.71
  6. Step 6: Final answer
    x = 7,353,135.02

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1.5x scale

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.