Home / 9,780,386.60-14,656,583.10-7,201,476.20

Finding the Fourth Proportional to 9,780,386.60, 14,656,583.10 and 7,201,476.20

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Solution

The fourth proportional to 9,780,386.60, 14,656,583.10 and 7,201,476.20 is: 10,791,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780,386.60 : 14,656,583.10 = 7,201,476.20 : x
  2. Step 2: Convert to fraction form
    9,780,386.60/14,656,583.10 = 7,201,476.20/x
  3. Step 3: Cross multiply
    9,780,386.60x = 14,656,583.10 × 7,201,476.20
  4. Step 4: Simplify right side
    9,780,386.60x = 105,549,034,367,972.22
  5. Step 5: Solve for x
    x = 105,549,034,367,972.22/9,780,386.60
  6. Step 6: Final answer
    x = 10,791,908.20

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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.