Home / 13,602,005.64-18,770,582.33-7,721,588.68

Finding the Fourth Proportional to 13,602,005.64, 18,770,582.33 and 7,721,588.68

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Solution

The fourth proportional to 13,602,005.64, 18,770,582.33 and 7,721,588.68 is: 10,655,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,602,005.64 : 18,770,582.33 = 7,721,588.68 : x
  2. Step 2: Convert to fraction form
    13,602,005.64/18,770,582.33 = 7,721,588.68/x
  3. Step 3: Cross multiply
    13,602,005.64x = 18,770,582.33 × 7,721,588.68
  4. Step 4: Simplify right side
    13,602,005.64x = 144,938,716,036,336
  5. Step 5: Solve for x
    x = 144,938,716,036,336/13,602,005.64
  6. Step 6: Final answer
    x = 10,655,687.10

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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.