Home / 15,037,024.23-20,751,108.80-8,161,507.71

Finding the Fourth Proportional to 15,037,024.23, 20,751,108.80 and 8,161,507.71

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Solution

The fourth proportional to 15,037,024.23, 20,751,108.80 and 8,161,507.71 is: 11,262,888.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,024.23 : 20,751,108.80 = 8,161,507.71 : x
  2. Step 2: Convert to fraction form
    15,037,024.23/20,751,108.80 = 8,161,507.71/x
  3. Step 3: Cross multiply
    15,037,024.23x = 20,751,108.80 × 8,161,507.71
  4. Step 4: Simplify right side
    15,037,024.23x = 169,360,334,421,441.31
  5. Step 5: Solve for x
    x = 169,360,334,421,441.31/15,037,024.23
  6. Step 6: Final answer
    x = 11,262,888.98

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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.