Home / 22,671,387.88-31,285,334.80-12,880,473.19

Finding the Fourth Proportional to 22,671,387.88, 31,285,334.80 and 12,880,473.19

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Solution

The fourth proportional to 22,671,387.88, 31,285,334.80 and 12,880,473.19 is: 17,774,382.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,671,387.88 : 31,285,334.80 = 12,880,473.19 : x
  2. Step 2: Convert to fraction form
    22,671,387.88/31,285,334.80 = 12,880,473.19/x
  3. Step 3: Cross multiply
    22,671,387.88x = 31,285,334.80 × 12,880,473.19
  4. Step 4: Simplify right side
    22,671,387.88x = 402,969,916,069,461.25
  5. Step 5: Solve for x
    x = 402,969,916,069,461.25/22,671,387.88
  6. Step 6: Final answer
    x = 17,774,382.33

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Double scale
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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.