Home / 19,815,679.20-29,695,525.20-14,657,858.40

Finding the Fourth Proportional to 19,815,679.20, 29,695,525.20 and 14,657,858.40

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Solution

The fourth proportional to 19,815,679.20, 29,695,525.20 and 14,657,858.40 is: 21,966,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815,679.20 : 29,695,525.20 = 14,657,858.40 : x
  2. Step 2: Convert to fraction form
    19,815,679.20/29,695,525.20 = 14,657,858.40/x
  3. Step 3: Cross multiply
    19,815,679.20x = 29,695,525.20 × 14,657,858.40
  4. Step 4: Simplify right side
    19,815,679.20x = 435,272,803,495,231.69
  5. Step 5: Solve for x
    x = 435,272,803,495,231.69/19,815,679.20
  6. Step 6: Final answer
    x = 21,966,080.45

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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.