Home / 8,872,111.36-12,238,859.17-7,707,941.87

Finding the Fourth Proportional to 8,872,111.36, 12,238,859.17 and 7,707,941.87

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Solution

The fourth proportional to 8,872,111.36, 12,238,859.17 and 7,707,941.87 is: 10,632,916.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872,111.36 : 12,238,859.17 = 7,707,941.87 : x
  2. Step 2: Convert to fraction form
    8,872,111.36/12,238,859.17 = 7,707,941.87/x
  3. Step 3: Cross multiply
    8,872,111.36x = 12,238,859.17 × 7,707,941.87
  4. Step 4: Simplify right side
    8,872,111.36x = 94,336,415,037,476.45
  5. Step 5: Solve for x
    x = 94,336,415,037,476.45/8,872,111.36
  6. Step 6: Final answer
    x = 10,632,916.02

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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.