Home / 9,419,981.27-12,999,888.15-5,290,740.08

Finding the Fourth Proportional to 9,419,981.27, 12,999,888.15 and 5,290,740.08

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Solution

The fourth proportional to 9,419,981.27, 12,999,888.15 and 5,290,740.08 is: 7,301,397.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419,981.27 : 12,999,888.15 = 5,290,740.08 : x
  2. Step 2: Convert to fraction form
    9,419,981.27/12,999,888.15 = 5,290,740.08/x
  3. Step 3: Cross multiply
    9,419,981.27x = 12,999,888.15 × 5,290,740.08
  4. Step 4: Simplify right side
    9,419,981.27x = 68,779,029,234,631.92
  5. Step 5: Solve for x
    x = 68,779,029,234,631.92/9,419,981.27
  6. Step 6: Final answer
    x = 7,301,397.67

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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.