Home / 16,528,081.60-24,792,122.40-5,172,011.20

Finding the Fourth Proportional to 16,528,081.60, 24,792,122.40 and 5,172,011.20

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Solution

The fourth proportional to 16,528,081.60, 24,792,122.40 and 5,172,011.20 is: 7,758,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,528,081.60 : 24,792,122.40 = 5,172,011.20 : x
  2. Step 2: Convert to fraction form
    16,528,081.60/24,792,122.40 = 5,172,011.20/x
  3. Step 3: Cross multiply
    16,528,081.60x = 24,792,122.40 × 5,172,011.20
  4. Step 4: Simplify right side
    16,528,081.60x = 128,225,134,724,570.88
  5. Step 5: Solve for x
    x = 128,225,134,724,570.88/16,528,081.60
  6. Step 6: Final answer
    x = 7,758,016.80

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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.