Home / 7,788,258.56-11,663,310.72-6,432,124.16

Finding the Fourth Proportional to 7,788,258.56, 11,663,310.72 and 6,432,124.16

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Solution

The fourth proportional to 7,788,258.56, 11,663,310.72 and 6,432,124.16 is: 9,632,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788,258.56 : 11,663,310.72 = 6,432,124.16 : x
  2. Step 2: Convert to fraction form
    7,788,258.56/11,663,310.72 = 6,432,124.16/x
  3. Step 3: Cross multiply
    7,788,258.56x = 11,663,310.72 × 6,432,124.16
  4. Step 4: Simplify right side
    7,788,258.56x = 75,019,862,667,699
  5. Step 5: Solve for x
    x = 75,019,862,667,699/7,788,258.56
  6. Step 6: Final answer
    x = 9,632,430.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.