Home / 12,240,001.40-18,360,002.10-10,917,303.80

Finding the Fourth Proportional to 12,240,001.40, 18,360,002.10 and 10,917,303.80

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Solution

The fourth proportional to 12,240,001.40, 18,360,002.10 and 10,917,303.80 is: 16,375,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240,001.40 : 18,360,002.10 = 10,917,303.80 : x
  2. Step 2: Convert to fraction form
    12,240,001.40/18,360,002.10 = 10,917,303.80/x
  3. Step 3: Cross multiply
    12,240,001.40x = 18,360,002.10 × 10,917,303.80
  4. Step 4: Simplify right side
    12,240,001.40x = 200,441,720,694,338
  5. Step 5: Solve for x
    x = 200,441,720,694,338/12,240,001.40
  6. Step 6: Final answer
    x = 16,375,955.70

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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.