Home / 19,941,807.76-29,926,154.72-6,988,074.96

Finding the Fourth Proportional to 19,941,807.76, 29,926,154.72 and 6,988,074.96

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Solution

The fourth proportional to 19,941,807.76, 29,926,154.72 and 6,988,074.96 is: 10,486,823.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941,807.76 : 29,926,154.72 = 6,988,074.96 : x
  2. Step 2: Convert to fraction form
    19,941,807.76/29,926,154.72 = 6,988,074.96/x
  3. Step 3: Cross multiply
    19,941,807.76x = 29,926,154.72 × 6,988,074.96
  4. Step 4: Simplify right side
    19,941,807.76x = 209,126,212,447,917.81
  5. Step 5: Solve for x
    x = 209,126,212,447,917.81/19,941,807.76
  6. Step 6: Final answer
    x = 10,486,823.21

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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.