Home / 14,317,481-19,758,127.02-7,878,953

Finding the Fourth Proportional to 14,317,481, 19,758,127.02 and 7,878,953

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Solution

The fourth proportional to 14,317,481, 19,758,127.02 and 7,878,953 is: 10,872,956.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317,481 : 19,758,127.02 = 7,878,953 : x
  2. Step 2: Convert to fraction form
    14,317,481/19,758,127.02 = 7,878,953/x
  3. Step 3: Cross multiply
    14,317,481x = 19,758,127.02 × 7,878,953
  4. Step 4: Simplify right side
    14,317,481x = 155,673,354,158,610.06
  5. Step 5: Solve for x
    x = 155,673,354,158,610.06/14,317,481
  6. Step 6: Final answer
    x = 10,872,956.92

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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.