Home / 19,298,810.71-28,948,562.06-7,011,500.37

Finding the Fourth Proportional to 19,298,810.71, 28,948,562.06 and 7,011,500.37

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Solution

The fourth proportional to 19,298,810.71, 28,948,562.06 and 7,011,500.37 is: 10,517,376.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298,810.71 : 28,948,562.06 = 7,011,500.37 : x
  2. Step 2: Convert to fraction form
    19,298,810.71/28,948,562.06 = 7,011,500.37/x
  3. Step 3: Cross multiply
    19,298,810.71x = 28,948,562.06 × 7,011,500.37
  4. Step 4: Simplify right side
    19,298,810.71x = 202,972,853,510,199.38
  5. Step 5: Solve for x
    x = 202,972,853,510,199.38/19,298,810.71
  6. Step 6: Final answer
    x = 10,517,376.25

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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.