Home / 28,871,283.60-43,306,925.40-18,667,616.40

Finding the Fourth Proportional to 28,871,283.60, 43,306,925.40 and 18,667,616.40

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Solution

The fourth proportional to 28,871,283.60, 43,306,925.40 and 18,667,616.40 is: 28,001,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871,283.60 : 43,306,925.40 = 18,667,616.40 : x
  2. Step 2: Convert to fraction form
    28,871,283.60/43,306,925.40 = 18,667,616.40/x
  3. Step 3: Cross multiply
    28,871,283.60x = 43,306,925.40 × 18,667,616.40
  4. Step 4: Simplify right side
    28,871,283.60x = 808,437,070,830,616.50
  5. Step 5: Solve for x
    x = 808,437,070,830,616.50/28,871,283.60
  6. Step 6: Final answer
    x = 28,001,424.60

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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.