Home / 9,990,565.65-13,787,022.15-5,406,886.62

Finding the Fourth Proportional to 9,990,565.65, 13,787,022.15 and 5,406,886.62

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Solution

The fourth proportional to 9,990,565.65, 13,787,022.15 and 5,406,886.62 is: 7,461,526.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,565.65 : 13,787,022.15 = 5,406,886.62 : x
  2. Step 2: Convert to fraction form
    9,990,565.65/13,787,022.15 = 5,406,886.62/x
  3. Step 3: Cross multiply
    9,990,565.65x = 13,787,022.15 × 5,406,886.62
  4. Step 4: Simplify right side
    9,990,565.65x = 74,544,865,592,478.64
  5. Step 5: Solve for x
    x = 74,544,865,592,478.64/9,990,565.65
  6. Step 6: Final answer
    x = 7,461,526.02

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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.