Home / 22,128,580.76-30,537,817.72-12,206,602.40

Finding the Fourth Proportional to 22,128,580.76, 30,537,817.72 and 12,206,602.40

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Solution

The fourth proportional to 22,128,580.76, 30,537,817.72 and 12,206,602.40 is: 16,845,318.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128,580.76 : 30,537,817.72 = 12,206,602.40 : x
  2. Step 2: Convert to fraction form
    22,128,580.76/30,537,817.72 = 12,206,602.40/x
  3. Step 3: Cross multiply
    22,128,580.76x = 30,537,817.72 × 12,206,602.40
  4. Step 4: Simplify right side
    22,128,580.76x = 372,762,999,071,714.50
  5. Step 5: Solve for x
    x = 372,762,999,071,714.50/22,128,580.76
  6. Step 6: Final answer
    x = 16,845,318.87

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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.