Home / 9,939,742.20-14,909,613.30-8,963,465.40

Finding the Fourth Proportional to 9,939,742.20, 14,909,613.30 and 8,963,465.40

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Solution

The fourth proportional to 9,939,742.20, 14,909,613.30 and 8,963,465.40 is: 13,445,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939,742.20 : 14,909,613.30 = 8,963,465.40 : x
  2. Step 2: Convert to fraction form
    9,939,742.20/14,909,613.30 = 8,963,465.40/x
  3. Step 3: Cross multiply
    9,939,742.20x = 14,909,613.30 × 8,963,465.40
  4. Step 4: Simplify right side
    9,939,742.20x = 133,641,802,941,929.83
  5. Step 5: Solve for x
    x = 133,641,802,941,929.83/9,939,742.20
  6. Step 6: Final answer
    x = 13,445,198.10

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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.