Home / 14,484,410.71-19,988,165.31-7,868,828.20

Finding the Fourth Proportional to 14,484,410.71, 19,988,165.31 and 7,868,828.20

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Solution

The fourth proportional to 14,484,410.71, 19,988,165.31 and 7,868,828.20 is: 10,858,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,484,410.71 : 19,988,165.31 = 7,868,828.20 : x
  2. Step 2: Convert to fraction form
    14,484,410.71/19,988,165.31 = 7,868,828.20/x
  3. Step 3: Cross multiply
    14,484,410.71x = 19,988,165.31 × 7,868,828.20
  4. Step 4: Simplify right side
    14,484,410.71x = 157,283,438,881,986.22
  5. Step 5: Solve for x
    x = 157,283,438,881,986.22/14,484,410.71
  6. Step 6: Final answer
    x = 10,858,808.28

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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.