Home / 7,711,867.40-10,636,171.58-6,779,581.80

Finding the Fourth Proportional to 7,711,867.40, 10,636,171.58 and 6,779,581.80

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Solution

The fourth proportional to 7,711,867.40, 10,636,171.58 and 6,779,581.80 is: 9,350,367.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711,867.40 : 10,636,171.58 = 6,779,581.80 : x
  2. Step 2: Convert to fraction form
    7,711,867.40/10,636,171.58 = 6,779,581.80/x
  3. Step 3: Cross multiply
    7,711,867.40x = 10,636,171.58 × 6,779,581.80
  4. Step 4: Simplify right side
    7,711,867.40x = 72,108,795,265,445.25
  5. Step 5: Solve for x
    x = 72,108,795,265,445.25/7,711,867.40
  6. Step 6: Final answer
    x = 9,350,367.63

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1.5x scale

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.