Home / 39,947,436.48-55,127,443.68-22,547,431.20

Finding the Fourth Proportional to 39,947,436.48, 55,127,443.68 and 22,547,431.20

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Solution

The fourth proportional to 39,947,436.48, 55,127,443.68 and 22,547,431.20 is: 31,115,444.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,947,436.48 : 55,127,443.68 = 22,547,431.20 : x
  2. Step 2: Convert to fraction form
    39,947,436.48/55,127,443.68 = 22,547,431.20/x
  3. Step 3: Cross multiply
    39,947,436.48x = 55,127,443.68 × 22,547,431.20
  4. Step 4: Simplify right side
    39,947,436.48x = 1,242,982,243,606,674.75
  5. Step 5: Solve for x
    x = 1,242,982,243,606,674.75/39,947,436.48
  6. Step 6: Final answer
    x = 31,115,444.52

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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.