Home / 19,681,955.95-29,519,569.70-5,301,660.71

Finding the Fourth Proportional to 19,681,955.95, 29,519,569.70 and 5,301,660.71

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Solution

The fourth proportional to 19,681,955.95, 29,519,569.70 and 5,301,660.71 is: 7,951,584.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,955.95 : 29,519,569.70 = 5,301,660.71 : x
  2. Step 2: Convert to fraction form
    19,681,955.95/29,519,569.70 = 5,301,660.71/x
  3. Step 3: Cross multiply
    19,681,955.95x = 29,519,569.70 × 5,301,660.71
  4. Step 4: Simplify right side
    19,681,955.95x = 156,502,742,854,596.47
  5. Step 5: Solve for x
    x = 156,502,742,854,596.47/19,681,955.95
  6. Step 6: Final answer
    x = 7,951,584.86

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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.