Home / 19,348,657-29,022,985.36-7,053,542.40

Finding the Fourth Proportional to 19,348,657, 29,022,985.36 and 7,053,542.40

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Solution

The fourth proportional to 19,348,657, 29,022,985.36 and 7,053,542.40 is: 10,580,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,348,657 : 29,022,985.36 = 7,053,542.40 : x
  2. Step 2: Convert to fraction form
    19,348,657/29,022,985.36 = 7,053,542.40/x
  3. Step 3: Cross multiply
    19,348,657x = 29,022,985.36 × 7,053,542.40
  4. Step 4: Simplify right side
    19,348,657x = 204,714,857,811,339.28
  5. Step 5: Solve for x
    x = 204,714,857,811,339.28/19,348,657
  6. Step 6: Final answer
    x = 10,580,313.55

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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.