Home / 13,606,663.60-20,382,001.80-6,878,868.40

Finding the Fourth Proportional to 13,606,663.60, 20,382,001.80 and 6,878,868.40

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Solution

The fourth proportional to 13,606,663.60, 20,382,001.80 and 6,878,868.40 is: 10,304,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606,663.60 : 20,382,001.80 = 6,878,868.40 : x
  2. Step 2: Convert to fraction form
    13,606,663.60/20,382,001.80 = 6,878,868.40/x
  3. Step 3: Cross multiply
    13,606,663.60x = 20,382,001.80 × 6,878,868.40
  4. Step 4: Simplify right side
    13,606,663.60x = 140,205,108,110,763.12
  5. Step 5: Solve for x
    x = 140,205,108,110,763.12/13,606,663.60
  6. Step 6: Final answer
    x = 10,304,150.40

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1.5x scale

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.