Home / 15,326,060.91-21,155,089.13-9,133,049.63

Finding the Fourth Proportional to 15,326,060.91, 21,155,089.13 and 9,133,049.63

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Solution

The fourth proportional to 15,326,060.91, 21,155,089.13 and 9,133,049.63 is: 12,606,662.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,326,060.91 : 21,155,089.13 = 9,133,049.63 : x
  2. Step 2: Convert to fraction form
    15,326,060.91/21,155,089.13 = 9,133,049.63/x
  3. Step 3: Cross multiply
    15,326,060.91x = 21,155,089.13 × 9,133,049.63
  4. Step 4: Simplify right side
    15,326,060.91x = 193,210,478,799,922.81
  5. Step 5: Solve for x
    x = 193,210,478,799,922.81/15,326,060.91
  6. Step 6: Final answer
    x = 12,606,662.59

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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.