Home / 12,941,030.40-19,423,987.20-6,558,489.60

Finding the Fourth Proportional to 12,941,030.40, 19,423,987.20 and 6,558,489.60

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Solution

The fourth proportional to 12,941,030.40, 19,423,987.20 and 6,558,489.60 is: 9,844,039.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941,030.40 : 19,423,987.20 = 6,558,489.60 : x
  2. Step 2: Convert to fraction form
    12,941,030.40/19,423,987.20 = 6,558,489.60/x
  3. Step 3: Cross multiply
    12,941,030.40x = 19,423,987.20 × 6,558,489.60
  4. Step 4: Simplify right side
    12,941,030.40x = 127,392,018,041,733.11
  5. Step 5: Solve for x
    x = 127,392,018,041,733.11/12,941,030.40
  6. Step 6: Final answer
    x = 9,844,039.78

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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.