Home / 40,459,815.60-60,689,723.40-28,130,384.40

Finding the Fourth Proportional to 40,459,815.60, 60,689,723.40 and 28,130,384.40

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Solution

The fourth proportional to 40,459,815.60, 60,689,723.40 and 28,130,384.40 is: 42,195,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,459,815.60 : 60,689,723.40 = 28,130,384.40 : x
  2. Step 2: Convert to fraction form
    40,459,815.60/60,689,723.40 = 28,130,384.40/x
  3. Step 3: Cross multiply
    40,459,815.60x = 60,689,723.40 × 28,130,384.40
  4. Step 4: Simplify right side
    40,459,815.60x = 1,707,225,248,371,674.75
  5. Step 5: Solve for x
    x = 1,707,225,248,371,674.75/40,459,815.60
  6. Step 6: Final answer
    x = 42,195,576.60

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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.