Home / 27,871,543.56-38,462,730.12-15,648,663

Finding the Fourth Proportional to 27,871,543.56, 38,462,730.12 and 15,648,663

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Solution

The fourth proportional to 27,871,543.56, 38,462,730.12 and 15,648,663 is: 21,595,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,871,543.56 : 38,462,730.12 = 15,648,663 : x
  2. Step 2: Convert to fraction form
    27,871,543.56/38,462,730.12 = 15,648,663/x
  3. Step 3: Cross multiply
    27,871,543.56x = 38,462,730.12 × 15,648,663
  4. Step 4: Simplify right side
    27,871,543.56x = 601,890,301,707,829.50
  5. Step 5: Solve for x
    x = 601,890,301,707,829.50/27,871,543.56
  6. Step 6: Final answer
    x = 21,595,154.94

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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.