Home / 37,416,643.20-56,124,964.80-21,292,329.60

Finding the Fourth Proportional to 37,416,643.20, 56,124,964.80 and 21,292,329.60

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Solution

The fourth proportional to 37,416,643.20, 56,124,964.80 and 21,292,329.60 is: 31,938,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,416,643.20 : 56,124,964.80 = 21,292,329.60 : x
  2. Step 2: Convert to fraction form
    37,416,643.20/56,124,964.80 = 21,292,329.60/x
  3. Step 3: Cross multiply
    37,416,643.20x = 56,124,964.80 × 21,292,329.60
  4. Step 4: Simplify right side
    37,416,643.20x = 1,195,031,249,309,998
  5. Step 5: Solve for x
    x = 1,195,031,249,309,998/37,416,643.20
  6. Step 6: Final answer
    x = 31,938,494.40

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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.