Home / 13,898,931.47-19,180,492.34-7,619,447.73

Finding the Fourth Proportional to 13,898,931.47, 19,180,492.34 and 7,619,447.73

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Solution

The fourth proportional to 13,898,931.47, 19,180,492.34 and 7,619,447.73 is: 10,514,819.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898,931.47 : 19,180,492.34 = 7,619,447.73 : x
  2. Step 2: Convert to fraction form
    13,898,931.47/19,180,492.34 = 7,619,447.73/x
  3. Step 3: Cross multiply
    13,898,931.47x = 19,180,492.34 × 7,619,447.73
  4. Step 4: Simplify right side
    13,898,931.47x = 146,144,758,686,295.69
  5. Step 5: Solve for x
    x = 146,144,758,686,295.69/13,898,931.47
  6. Step 6: Final answer
    x = 10,514,819.72

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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.