Home / 40,422,885.90-60,643,186.20-13,124,533.20

Finding the Fourth Proportional to 40,422,885.90, 60,643,186.20 and 13,124,533.20

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Solution

The fourth proportional to 40,422,885.90, 60,643,186.20 and 13,124,533.20 is: 19,689,675.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,422,885.90 : 60,643,186.20 = 13,124,533.20 : x
  2. Step 2: Convert to fraction form
    40,422,885.90/60,643,186.20 = 13,124,533.20/x
  3. Step 3: Cross multiply
    40,422,885.90x = 60,643,186.20 × 13,124,533.20
  4. Step 4: Simplify right side
    40,422,885.90x = 795,913,510,635,681.88
  5. Step 5: Solve for x
    x = 795,913,510,635,681.88/40,422,885.90
  6. Step 6: Final answer
    x = 19,689,675.61

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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.