Home / 9,990,218.17-13,786,500.93-5,406,539.55

Finding the Fourth Proportional to 9,990,218.17, 13,786,500.93 and 5,406,539.55

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Solution

The fourth proportional to 9,990,218.17, 13,786,500.93 and 5,406,539.55 is: 7,461,024.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,218.17 : 13,786,500.93 = 5,406,539.55 : x
  2. Step 2: Convert to fraction form
    9,990,218.17/13,786,500.93 = 5,406,539.55/x
  3. Step 3: Cross multiply
    9,990,218.17x = 13,786,500.93 × 5,406,539.55
  4. Step 4: Simplify right side
    9,990,218.17x = 74,537,262,534,156.78
  5. Step 5: Solve for x
    x = 74,537,262,534,156.78/9,990,218.17
  6. Step 6: Final answer
    x = 7,461,024.50

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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.