Home / 12,319,931.16-17,001,617.94-6,813,021.42

Finding the Fourth Proportional to 12,319,931.16, 17,001,617.94 and 6,813,021.42

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Solution

The fourth proportional to 12,319,931.16, 17,001,617.94 and 6,813,021.42 is: 9,402,032.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319,931.16 : 17,001,617.94 = 6,813,021.42 : x
  2. Step 2: Convert to fraction form
    12,319,931.16/17,001,617.94 = 6,813,021.42/x
  3. Step 3: Cross multiply
    12,319,931.16x = 17,001,617.94 × 6,813,021.42
  4. Step 4: Simplify right side
    12,319,931.16x = 115,832,387,199,876.28
  5. Step 5: Solve for x
    x = 115,832,387,199,876.28/12,319,931.16
  6. Step 6: Final answer
    x = 9,402,032.02

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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.