Home / 8,312,746.60-12,469,827.06-2,920,931.38

Finding the Fourth Proportional to 8,312,746.60, 12,469,827.06 and 2,920,931.38

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Solution

The fourth proportional to 8,312,746.60, 12,469,827.06 and 2,920,931.38 is: 4,381,645.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312,746.60 : 12,469,827.06 = 2,920,931.38 : x
  2. Step 2: Convert to fraction form
    8,312,746.60/12,469,827.06 = 2,920,931.38/x
  3. Step 3: Cross multiply
    8,312,746.60x = 12,469,827.06 × 2,920,931.38
  4. Step 4: Simplify right side
    8,312,746.60x = 36,423,509,162,727.14
  5. Step 5: Solve for x
    x = 36,423,509,162,727.14/8,312,746.60
  6. Step 6: Final answer
    x = 4,381,645.55

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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.