Home / 10,891,977.80-16,337,966.70-10,369,430.60

Finding the Fourth Proportional to 10,891,977.80, 16,337,966.70 and 10,369,430.60

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Solution

The fourth proportional to 10,891,977.80, 16,337,966.70 and 10,369,430.60 is: 15,554,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891,977.80 : 16,337,966.70 = 10,369,430.60 : x
  2. Step 2: Convert to fraction form
    10,891,977.80/16,337,966.70 = 10,369,430.60/x
  3. Step 3: Cross multiply
    10,891,977.80x = 16,337,966.70 × 10,369,430.60
  4. Step 4: Simplify right side
    10,891,977.80x = 169,415,411,840,761
  5. Step 5: Solve for x
    x = 169,415,411,840,761/10,891,977.80
  6. Step 6: Final answer
    x = 15,554,145.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.