Home / 8,676,670.80-13,015,006.20-6,437,182.80

Finding the Fourth Proportional to 8,676,670.80, 13,015,006.20 and 6,437,182.80

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Solution

The fourth proportional to 8,676,670.80, 13,015,006.20 and 6,437,182.80 is: 9,655,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676,670.80 : 13,015,006.20 = 6,437,182.80 : x
  2. Step 2: Convert to fraction form
    8,676,670.80/13,015,006.20 = 6,437,182.80/x
  3. Step 3: Cross multiply
    8,676,670.80x = 13,015,006.20 × 6,437,182.80
  4. Step 4: Simplify right side
    8,676,670.80x = 83,779,974,052,533.36
  5. Step 5: Solve for x
    x = 83,779,974,052,533.36/8,676,670.80
  6. Step 6: Final answer
    x = 9,655,774.20

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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.