Home / 6,518,792.40-9,779,938.20-5,813,703.60

Finding the Fourth Proportional to 6,518,792.40, 9,779,938.20 and 5,813,703.60

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Solution

The fourth proportional to 6,518,792.40, 9,779,938.20 and 5,813,703.60 is: 8,722,115.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518,792.40 : 9,779,938.20 = 5,813,703.60 : x
  2. Step 2: Convert to fraction form
    6,518,792.40/9,779,938.20 = 5,813,703.60/x
  3. Step 3: Cross multiply
    6,518,792.40x = 9,779,938.20 × 5,813,703.60
  4. Step 4: Simplify right side
    6,518,792.40x = 56,857,661,921,117.52
  5. Step 5: Solve for x
    x = 56,857,661,921,117.52/6,518,792.40
  6. Step 6: Final answer
    x = 8,722,115.76

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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.