Home / 9,487,637.90-13,092,784-5,136,689.42

Finding the Fourth Proportional to 9,487,637.90, 13,092,784 and 5,136,689.42

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Solution

The fourth proportional to 9,487,637.90, 13,092,784 and 5,136,689.42 is: 7,088,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,487,637.90 : 13,092,784 = 5,136,689.42 : x
  2. Step 2: Convert to fraction form
    9,487,637.90/13,092,784 = 5,136,689.42/x
  3. Step 3: Cross multiply
    9,487,637.90x = 13,092,784 × 5,136,689.42
  4. Step 4: Simplify right side
    9,487,637.90x = 67,253,565,051,145.28
  5. Step 5: Solve for x
    x = 67,253,565,051,145.28/9,487,637.90
  6. Step 6: Final answer
    x = 7,088,546.78

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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.