Home / 14,487,875.31-19,988,907.89-8,684,539.59

Finding the Fourth Proportional to 14,487,875.31, 19,988,907.89 and 8,684,539.59

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Solution

The fourth proportional to 14,487,875.31, 19,988,907.89 and 8,684,539.59 is: 11,982,051.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487,875.31 : 19,988,907.89 = 8,684,539.59 : x
  2. Step 2: Convert to fraction form
    14,487,875.31/19,988,907.89 = 8,684,539.59/x
  3. Step 3: Cross multiply
    14,487,875.31x = 19,988,907.89 × 8,684,539.59
  4. Step 4: Simplify right side
    14,487,875.31x = 173,594,461,888,145.69
  5. Step 5: Solve for x
    x = 173,594,461,888,145.69/14,487,875.31
  6. Step 6: Final answer
    x = 11,982,051.07

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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.