Home / 20,516,064.60-30,774,096.90-8,547,245.40

Finding the Fourth Proportional to 20,516,064.60, 30,774,096.90 and 8,547,245.40

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Solution

The fourth proportional to 20,516,064.60, 30,774,096.90 and 8,547,245.40 is: 12,820,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,516,064.60 : 30,774,096.90 = 8,547,245.40 : x
  2. Step 2: Convert to fraction form
    20,516,064.60/30,774,096.90 = 8,547,245.40/x
  3. Step 3: Cross multiply
    20,516,064.60x = 30,774,096.90 × 8,547,245.40
  4. Step 4: Simplify right side
    20,516,064.60x = 263,033,758,167,679.25
  5. Step 5: Solve for x
    x = 263,033,758,167,679.25/20,516,064.60
  6. Step 6: Final answer
    x = 12,820,868.10

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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.