Home / 12,687,417.02-17,495,400.84-7,529,782.12

Finding the Fourth Proportional to 12,687,417.02, 17,495,400.84 and 7,529,782.12

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Solution

The fourth proportional to 12,687,417.02, 17,495,400.84 and 7,529,782.12 is: 10,383,244.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,417.02 : 17,495,400.84 = 7,529,782.12 : x
  2. Step 2: Convert to fraction form
    12,687,417.02/17,495,400.84 = 7,529,782.12/x
  3. Step 3: Cross multiply
    12,687,417.02x = 17,495,400.84 × 7,529,782.12
  4. Step 4: Simplify right side
    12,687,417.02x = 131,736,556,427,264.98
  5. Step 5: Solve for x
    x = 131,736,556,427,264.98/12,687,417.02
  6. Step 6: Final answer
    x = 10,383,244.77

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1.5x scale

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.