Home / 7,000,815.40-9,661,068.02-3,903,301.96

Finding the Fourth Proportional to 7,000,815.40, 9,661,068.02 and 3,903,301.96

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Solution

The fourth proportional to 7,000,815.40, 9,661,068.02 and 3,903,301.96 is: 5,386,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000,815.40 : 9,661,068.02 = 3,903,301.96 : x
  2. Step 2: Convert to fraction form
    7,000,815.40/9,661,068.02 = 3,903,301.96/x
  3. Step 3: Cross multiply
    7,000,815.40x = 9,661,068.02 × 3,903,301.96
  4. Step 4: Simplify right side
    7,000,815.40x = 37,710,065,738,159.32
  5. Step 5: Solve for x
    x = 37,710,065,738,159.32/7,000,815.40
  6. Step 6: Final answer
    x = 5,386,524.80

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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.