Home / 13,124,396.77-19,687,541.05-5,037,372.40

Finding the Fourth Proportional to 13,124,396.77, 19,687,541.05 and 5,037,372.40

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Solution

The fourth proportional to 13,124,396.77, 19,687,541.05 and 5,037,372.40 is: 7,556,421.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124,396.77 : 19,687,541.05 = 5,037,372.40 : x
  2. Step 2: Convert to fraction form
    13,124,396.77/19,687,541.05 = 5,037,372.40/x
  3. Step 3: Cross multiply
    13,124,396.77x = 19,687,541.05 × 5,037,372.40
  4. Step 4: Simplify right side
    13,124,396.77x = 99,173,475,903,129.02
  5. Step 5: Solve for x
    x = 99,173,475,903,129.02/13,124,396.77
  6. Step 6: Final answer
    x = 7,556,421.65

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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.