Home / 21,506,133.60-32,259,200.40-19,154,671.20

Finding the Fourth Proportional to 21,506,133.60, 32,259,200.40 and 19,154,671.20

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Solution

The fourth proportional to 21,506,133.60, 32,259,200.40 and 19,154,671.20 is: 28,732,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,506,133.60 : 32,259,200.40 = 19,154,671.20 : x
  2. Step 2: Convert to fraction form
    21,506,133.60/32,259,200.40 = 19,154,671.20/x
  3. Step 3: Cross multiply
    21,506,133.60x = 32,259,200.40 × 19,154,671.20
  4. Step 4: Simplify right side
    21,506,133.60x = 617,914,376,836,908.38
  5. Step 5: Solve for x
    x = 617,914,376,836,908.38/21,506,133.60
  6. Step 6: Final answer
    x = 28,732,006.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.