Home / 28,506,415.28-42,756,680.61-19,343,222.91

Finding the Fourth Proportional to 28,506,415.28, 42,756,680.61 and 19,343,222.91

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Solution

The fourth proportional to 28,506,415.28, 42,756,680.61 and 19,343,222.91 is: 29,012,837.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,506,415.28 : 42,756,680.61 = 19,343,222.91 : x
  2. Step 2: Convert to fraction form
    28,506,415.28/42,756,680.61 = 19,343,222.91/x
  3. Step 3: Cross multiply
    28,506,415.28x = 42,756,680.61 × 19,343,222.91
  4. Step 4: Simplify right side
    28,506,415.28x = 827,052,003,930,904.75
  5. Step 5: Solve for x
    x = 827,052,003,930,904.75/28,506,415.28
  6. Step 6: Final answer
    x = 29,012,837.85

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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.