Home / 14,343,342.64-19,793,235.15-7,816,831.63

Finding the Fourth Proportional to 14,343,342.64, 19,793,235.15 and 7,816,831.63

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Solution

The fourth proportional to 14,343,342.64, 19,793,235.15 and 7,816,831.63 is: 10,786,912.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343,342.64 : 19,793,235.15 = 7,816,831.63 : x
  2. Step 2: Convert to fraction form
    14,343,342.64/19,793,235.15 = 7,816,831.63/x
  3. Step 3: Cross multiply
    14,343,342.64x = 19,793,235.15 × 7,816,831.63
  4. Step 4: Simplify right side
    14,343,342.64x = 154,720,386,561,005.72
  5. Step 5: Solve for x
    x = 154,720,386,561,005.72/14,343,342.64
  6. Step 6: Final answer
    x = 10,786,912.82

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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.