Home / 12,997,612.47-17,937,265.76-7,196,394.31

Finding the Fourth Proportional to 12,997,612.47, 17,937,265.76 and 7,196,394.31

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Solution

The fourth proportional to 12,997,612.47, 17,937,265.76 and 7,196,394.31 is: 9,931,334.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,612.47 : 17,937,265.76 = 7,196,394.31 : x
  2. Step 2: Convert to fraction form
    12,997,612.47/17,937,265.76 = 7,196,394.31/x
  3. Step 3: Cross multiply
    12,997,612.47x = 17,937,265.76 × 7,196,394.31
  4. Step 4: Simplify right side
    12,997,612.47x = 129,083,637,252,221.83
  5. Step 5: Solve for x
    x = 129,083,637,252,221.83/12,997,612.47
  6. Step 6: Final answer
    x = 9,931,334.51

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1.5x scale

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.