Home / 18,931,630.16-26,127,725.60-10,985,922.91

Finding the Fourth Proportional to 18,931,630.16, 26,127,725.60 and 10,985,922.91

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Solution

The fourth proportional to 18,931,630.16, 26,127,725.60 and 10,985,922.91 is: 15,161,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,931,630.16 : 26,127,725.60 = 10,985,922.91 : x
  2. Step 2: Convert to fraction form
    18,931,630.16/26,127,725.60 = 10,985,922.91/x
  3. Step 3: Cross multiply
    18,931,630.16x = 26,127,725.60 × 10,985,922.91
  4. Step 4: Simplify right side
    18,931,630.16x = 287,037,179,315,358
  5. Step 5: Solve for x
    x = 287,037,179,315,358/18,931,630.16
  6. Step 6: Final answer
    x = 15,161,778.30

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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.