Home / 10,138,950.94-15,152,762.11-7,412,238.56

Finding the Fourth Proportional to 10,138,950.94, 15,152,762.11 and 7,412,238.56

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Solution

The fourth proportional to 10,138,950.94, 15,152,762.11 and 7,412,238.56 is: 11,077,663.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138,950.94 : 15,152,762.11 = 7,412,238.56 : x
  2. Step 2: Convert to fraction form
    10,138,950.94/15,152,762.11 = 7,412,238.56/x
  3. Step 3: Cross multiply
    10,138,950.94x = 15,152,762.11 × 7,412,238.56
  4. Step 4: Simplify right side
    10,138,950.94x = 112,315,887,602,248.95
  5. Step 5: Solve for x
    x = 112,315,887,602,248.95/10,138,950.94
  6. Step 6: Final answer
    x = 11,077,663.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.