Home / 8,918,130.45-12,307,181.27-5,051,451.81

Finding the Fourth Proportional to 8,918,130.45, 12,307,181.27 and 5,051,451.81

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Solution

The fourth proportional to 8,918,130.45, 12,307,181.27 and 5,051,451.81 is: 6,971,094.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918,130.45 : 12,307,181.27 = 5,051,451.81 : x
  2. Step 2: Convert to fraction form
    8,918,130.45/12,307,181.27 = 5,051,451.81/x
  3. Step 3: Cross multiply
    8,918,130.45x = 12,307,181.27 × 5,051,451.81
  4. Step 4: Simplify right side
    8,918,130.45x = 62,169,133,077,082.34
  5. Step 5: Solve for x
    x = 62,169,133,077,082.34/8,918,130.45
  6. Step 6: Final answer
    x = 6,971,094.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.