Home / 12,082,642.40-18,123,963.60-9,870,802.40

Finding the Fourth Proportional to 12,082,642.40, 18,123,963.60 and 9,870,802.40

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Solution

The fourth proportional to 12,082,642.40, 18,123,963.60 and 9,870,802.40 is: 14,806,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,082,642.40 : 18,123,963.60 = 9,870,802.40 : x
  2. Step 2: Convert to fraction form
    12,082,642.40/18,123,963.60 = 9,870,802.40/x
  3. Step 3: Cross multiply
    12,082,642.40x = 18,123,963.60 × 9,870,802.40
  4. Step 4: Simplify right side
    12,082,642.40x = 178,898,063,400,392.66
  5. Step 5: Solve for x
    x = 178,898,063,400,392.66/12,082,642.40
  6. Step 6: Final answer
    x = 14,806,203.60

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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.