Home / 49,681,021.76-74,521,526.88-13,779,229.76

Finding the Fourth Proportional to 49,681,021.76, 74,521,526.88 and 13,779,229.76

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Solution

The fourth proportional to 49,681,021.76, 74,521,526.88 and 13,779,229.76 is: 20,668,843.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,681,021.76 : 74,521,526.88 = 13,779,229.76 : x
  2. Step 2: Convert to fraction form
    49,681,021.76/74,521,526.88 = 13,779,229.76/x
  3. Step 3: Cross multiply
    49,681,021.76x = 74,521,526.88 × 13,779,229.76
  4. Step 4: Simplify right side
    49,681,021.76x = 1,026,849,240,945,535.88
  5. Step 5: Solve for x
    x = 1,026,849,240,945,535.88/49,681,021.76
  6. Step 6: Final answer
    x = 20,668,843.04

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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.