Home / 21,078,724.02-31,593,688.80-9,695,282.10

Finding the Fourth Proportional to 21,078,724.02, 31,593,688.80 and 9,695,282.10

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Solution

The fourth proportional to 21,078,724.02, 31,593,688.80 and 9,695,282.10 is: 14,531,701.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,078,724.02 : 31,593,688.80 = 9,695,282.10 : x
  2. Step 2: Convert to fraction form
    21,078,724.02/31,593,688.80 = 9,695,282.10/x
  3. Step 3: Cross multiply
    21,078,724.02x = 31,593,688.80 × 9,695,282.10
  4. Step 4: Simplify right side
    21,078,724.02x = 306,309,725,495,610.50
  5. Step 5: Solve for x
    x = 306,309,725,495,610.50/21,078,724.02
  6. Step 6: Final answer
    x = 14,531,701.50

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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.