Home / 15,746,684.31-21,730,884.93-9,219,703.10

Finding the Fourth Proportional to 15,746,684.31, 21,730,884.93 and 9,219,703.10

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Solution

The fourth proportional to 15,746,684.31, 21,730,884.93 and 9,219,703.10 is: 12,723,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,746,684.31 : 21,730,884.93 = 9,219,703.10 : x
  2. Step 2: Convert to fraction form
    15,746,684.31/21,730,884.93 = 9,219,703.10/x
  3. Step 3: Cross multiply
    15,746,684.31x = 21,730,884.93 × 9,219,703.10
  4. Step 4: Simplify right side
    15,746,684.31x = 200,352,307,046,209.88
  5. Step 5: Solve for x
    x = 200,352,307,046,209.88/15,746,684.31
  6. Step 6: Final answer
    x = 12,723,459.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.