Home / 13,588,702.16-18,746,313.98-9,176,994.63

Finding the Fourth Proportional to 13,588,702.16, 18,746,313.98 and 9,176,994.63

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Solution

The fourth proportional to 13,588,702.16, 18,746,313.98 and 9,176,994.63 is: 12,660,136.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588,702.16 : 18,746,313.98 = 9,176,994.63 : x
  2. Step 2: Convert to fraction form
    13,588,702.16/18,746,313.98 = 9,176,994.63/x
  3. Step 3: Cross multiply
    13,588,702.16x = 18,746,313.98 × 9,176,994.63
  4. Step 4: Simplify right side
    13,588,702.16x = 172,034,822,680,868.97
  5. Step 5: Solve for x
    x = 172,034,822,680,868.97/13,588,702.16
  6. Step 6: Final answer
    x = 12,660,136.39

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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.