Home / 9,002,639.74-12,423,641.87-4,872,670.13

Finding the Fourth Proportional to 9,002,639.74, 12,423,641.87 and 4,872,670.13

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Solution

The fourth proportional to 9,002,639.74, 12,423,641.87 and 4,872,670.13 is: 6,724,284.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,002,639.74 : 12,423,641.87 = 4,872,670.13 : x
  2. Step 2: Convert to fraction form
    9,002,639.74/12,423,641.87 = 4,872,670.13/x
  3. Step 3: Cross multiply
    9,002,639.74x = 12,423,641.87 × 4,872,670.13
  4. Step 4: Simplify right side
    9,002,639.74x = 60,536,308,595,829.81
  5. Step 5: Solve for x
    x = 60,536,308,595,829.81/9,002,639.74
  6. Step 6: Final answer
    x = 6,724,284.25

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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.