Home / 7,711,863.40-10,636,166.07-6,779,577.79

Finding the Fourth Proportional to 7,711,863.40, 10,636,166.07 and 6,779,577.79

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Solution

The fourth proportional to 7,711,863.40, 10,636,166.07 and 6,779,577.79 is: 9,350,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711,863.40 : 10,636,166.07 = 6,779,577.79 : x
  2. Step 2: Convert to fraction form
    7,711,863.40/10,636,166.07 = 6,779,577.79/x
  3. Step 3: Cross multiply
    7,711,863.40x = 10,636,166.07 × 6,779,577.79
  4. Step 4: Simplify right side
    7,711,863.40x = 72,108,715,258,923.59
  5. Step 5: Solve for x
    x = 72,108,715,258,923.59/7,711,863.40
  6. Step 6: Final answer
    x = 9,350,362.10

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Double scale
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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.