Home / 9,986,448.56-13,781,398.68-5,402,868.32

Finding the Fourth Proportional to 9,986,448.56, 13,781,398.68 and 5,402,868.32

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Solution

The fourth proportional to 9,986,448.56, 13,781,398.68 and 5,402,868.32 is: 7,456,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986,448.56 : 13,781,398.68 = 5,402,868.32 : x
  2. Step 2: Convert to fraction form
    9,986,448.56/13,781,398.68 = 5,402,868.32/x
  3. Step 3: Cross multiply
    9,986,448.56x = 13,781,398.68 × 5,402,868.32
  4. Step 4: Simplify right side
    9,986,448.56x = 74,459,082,333,461.81
  5. Step 5: Solve for x
    x = 74,459,082,333,461.81/9,986,448.56
  6. Step 6: Final answer
    x = 7,456,012.20

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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.