Home / 55,988,658-83,982,987-13,438,386

Finding the Fourth Proportional to 55,988,658, 83,982,987 and 13,438,386

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Solution

The fourth proportional to 55,988,658, 83,982,987 and 13,438,386 is: 20,157,579

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,988,658 : 83,982,987 = 13,438,386 : x
  2. Step 2: Convert to fraction form
    55,988,658/83,982,987 = 13,438,386/x
  3. Step 3: Cross multiply
    55,988,658x = 83,982,987 × 13,438,386
  4. Step 4: Simplify right side
    55,988,658x = 1,128,595,796,738,982
  5. Step 5: Solve for x
    x = 1,128,595,796,738,982/55,988,658
  6. Step 6: Final answer
    x = 20,157,579

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.