Home / 10,510,853.60-15,766,280.40-4,118,981.60

Finding the Fourth Proportional to 10,510,853.60, 15,766,280.40 and 4,118,981.60

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Solution

The fourth proportional to 10,510,853.60, 15,766,280.40 and 4,118,981.60 is: 6,178,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510,853.60 : 15,766,280.40 = 4,118,981.60 : x
  2. Step 2: Convert to fraction form
    10,510,853.60/15,766,280.40 = 4,118,981.60/x
  3. Step 3: Cross multiply
    10,510,853.60x = 15,766,280.40 × 4,118,981.60
  4. Step 4: Simplify right side
    10,510,853.60x = 64,941,018,868,040.64
  5. Step 5: Solve for x
    x = 64,941,018,868,040.64/10,510,853.60
  6. Step 6: Final answer
    x = 6,178,472.40

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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.