Home / 10,306,587.60-15,459,881.40-6,480,212.40

Finding the Fourth Proportional to 10,306,587.60, 15,459,881.40 and 6,480,212.40

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Solution

The fourth proportional to 10,306,587.60, 15,459,881.40 and 6,480,212.40 is: 9,720,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306,587.60 : 15,459,881.40 = 6,480,212.40 : x
  2. Step 2: Convert to fraction form
    10,306,587.60/15,459,881.40 = 6,480,212.40/x
  3. Step 3: Cross multiply
    10,306,587.60x = 15,459,881.40 × 6,480,212.40
  4. Step 4: Simplify right side
    10,306,587.60x = 100,183,315,150,809.38
  5. Step 5: Solve for x
    x = 100,183,315,150,809.38/10,306,587.60
  6. Step 6: Final answer
    x = 9,720,318.60

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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.