Home / 18,922,264.95-26,124,068.85-12,407,259.57

Finding the Fourth Proportional to 18,922,264.95, 26,124,068.85 and 12,407,259.57

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Solution

The fourth proportional to 18,922,264.95, 26,124,068.85 and 12,407,259.57 is: 17,129,455.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922,264.95 : 26,124,068.85 = 12,407,259.57 : x
  2. Step 2: Convert to fraction form
    18,922,264.95/26,124,068.85 = 12,407,259.57/x
  3. Step 3: Cross multiply
    18,922,264.95x = 26,124,068.85 × 12,407,259.57
  4. Step 4: Simplify right side
    18,922,264.95x = 324,128,103,246,501.44
  5. Step 5: Solve for x
    x = 324,128,103,246,501.44/18,922,264.95
  6. Step 6: Final answer
    x = 17,129,455.91

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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.