Home / 12,949,551.70-19,440,073.95-6,556,513.30

Finding the Fourth Proportional to 12,949,551.70, 19,440,073.95 and 6,556,513.30

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Solution

The fourth proportional to 12,949,551.70, 19,440,073.95 and 6,556,513.30 is: 9,842,742.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,551.70 : 19,440,073.95 = 6,556,513.30 : x
  2. Step 2: Convert to fraction form
    12,949,551.70/19,440,073.95 = 6,556,513.30/x
  3. Step 3: Cross multiply
    12,949,551.70x = 19,440,073.95 × 6,556,513.30
  4. Step 4: Simplify right side
    12,949,551.70x = 127,459,103,406,158.53
  5. Step 5: Solve for x
    x = 127,459,103,406,158.53/12,949,551.70
  6. Step 6: Final answer
    x = 9,842,742.54

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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.