Home / 10,972,583.40-16,458,875.10-6,437,620.20

Finding the Fourth Proportional to 10,972,583.40, 16,458,875.10 and 6,437,620.20

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Solution

The fourth proportional to 10,972,583.40, 16,458,875.10 and 6,437,620.20 is: 9,656,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972,583.40 : 16,458,875.10 = 6,437,620.20 : x
  2. Step 2: Convert to fraction form
    10,972,583.40/16,458,875.10 = 6,437,620.20/x
  3. Step 3: Cross multiply
    10,972,583.40x = 16,458,875.10 × 6,437,620.20
  4. Step 4: Simplify right side
    10,972,583.40x = 105,955,986,813,037.02
  5. Step 5: Solve for x
    x = 105,955,986,813,037.02/10,972,583.40
  6. Step 6: Final answer
    x = 9,656,430.30

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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.