Home / 28,538,056.40-42,812,268.60-9,363,477.20

Finding the Fourth Proportional to 28,538,056.40, 42,812,268.60 and 9,363,477.20

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Solution

The fourth proportional to 28,538,056.40, 42,812,268.60 and 9,363,477.20 is: 14,046,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,538,056.40 : 42,812,268.60 = 9,363,477.20 : x
  2. Step 2: Convert to fraction form
    28,538,056.40/42,812,268.60 = 9,363,477.20/x
  3. Step 3: Cross multiply
    28,538,056.40x = 42,812,268.60 × 9,363,477.20
  4. Step 4: Simplify right side
    28,538,056.40x = 400,871,700,916,375.88
  5. Step 5: Solve for x
    x = 400,871,700,916,375.88/28,538,056.40
  6. Step 6: Final answer
    x = 14,046,916.70

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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.