Home / 19,339,498.38-28,999,264.55-5,690,870.94

Finding the Fourth Proportional to 19,339,498.38, 28,999,264.55 and 5,690,870.94

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Solution

The fourth proportional to 19,339,498.38, 28,999,264.55 and 5,690,870.94 is: 8,533,368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339,498.38 : 28,999,264.55 = 5,690,870.94 : x
  2. Step 2: Convert to fraction form
    19,339,498.38/28,999,264.55 = 5,690,870.94/x
  3. Step 3: Cross multiply
    19,339,498.38x = 28,999,264.55 × 5,690,870.94
  4. Step 4: Simplify right side
    19,339,498.38x = 165,031,071,880,512.84
  5. Step 5: Solve for x
    x = 165,031,071,880,512.84/19,339,498.38
  6. Step 6: Final answer
    x = 8,533,368.79

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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.