Home / 18,760,007.34-28,142,280.72-6,626,988.18

Finding the Fourth Proportional to 18,760,007.34, 28,142,280.72 and 6,626,988.18

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Solution

The fourth proportional to 18,760,007.34, 28,142,280.72 and 6,626,988.18 is: 9,941,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760,007.34 : 28,142,280.72 = 6,626,988.18 : x
  2. Step 2: Convert to fraction form
    18,760,007.34/28,142,280.72 = 6,626,988.18/x
  3. Step 3: Cross multiply
    18,760,007.34x = 28,142,280.72 × 6,626,988.18
  4. Step 4: Simplify right side
    18,760,007.34x = 186,498,561,689,681.88
  5. Step 5: Solve for x
    x = 186,498,561,689,681.88/18,760,007.34
  6. Step 6: Final answer
    x = 9,941,284.05

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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.