Home / 8,703,570.90-12,008,177.73-5,218,192.74

Finding the Fourth Proportional to 8,703,570.90, 12,008,177.73 and 5,218,192.74

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Solution

The fourth proportional to 8,703,570.90, 12,008,177.73 and 5,218,192.74 is: 7,199,457.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703,570.90 : 12,008,177.73 = 5,218,192.74 : x
  2. Step 2: Convert to fraction form
    8,703,570.90/12,008,177.73 = 5,218,192.74/x
  3. Step 3: Cross multiply
    8,703,570.90x = 12,008,177.73 × 5,218,192.74
  4. Step 4: Simplify right side
    8,703,570.90x = 62,660,985,851,315.69
  5. Step 5: Solve for x
    x = 62,660,985,851,315.69/8,703,570.90
  6. Step 6: Final answer
    x = 7,199,457.16

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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.