Home / 9,108,684.77-12,569,641.43-4,978,681.07

Finding the Fourth Proportional to 9,108,684.77, 12,569,641.43 and 4,978,681.07

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Solution

The fourth proportional to 9,108,684.77, 12,569,641.43 and 4,978,681.07 is: 6,870,392.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108,684.77 : 12,569,641.43 = 4,978,681.07 : x
  2. Step 2: Convert to fraction form
    9,108,684.77/12,569,641.43 = 4,978,681.07/x
  3. Step 3: Cross multiply
    9,108,684.77x = 12,569,641.43 × 4,978,681.07
  4. Step 4: Simplify right side
    9,108,684.77x = 62,580,235,756,487.12
  5. Step 5: Solve for x
    x = 62,580,235,756,487.12/9,108,684.77
  6. Step 6: Final answer
    x = 6,870,392.09

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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.