Home / 14,349,719.76-21,513,212.70-7,157,551.56

Finding the Fourth Proportional to 14,349,719.76, 21,513,212.70 and 7,157,551.56

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Solution

The fourth proportional to 14,349,719.76, 21,513,212.70 and 7,157,551.56 is: 10,730,657.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349,719.76 : 21,513,212.70 = 7,157,551.56 : x
  2. Step 2: Convert to fraction form
    14,349,719.76/21,513,212.70 = 7,157,551.56/x
  3. Step 3: Cross multiply
    14,349,719.76x = 21,513,212.70 × 7,157,551.56
  4. Step 4: Simplify right side
    14,349,719.76x = 153,981,929,121,496.81
  5. Step 5: Solve for x
    x = 153,981,929,121,496.81/14,349,719.76
  6. Step 6: Final answer
    x = 10,730,657.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.