Home / 25,133,238-34,686,683.52-15,215,587.20

Finding the Fourth Proportional to 25,133,238, 34,686,683.52 and 15,215,587.20

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Solution

The fourth proportional to 25,133,238, 34,686,683.52 and 15,215,587.20 is: 20,999,214.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,133,238 : 34,686,683.52 = 15,215,587.20 : x
  2. Step 2: Convert to fraction form
    25,133,238/34,686,683.52 = 15,215,587.20/x
  3. Step 3: Cross multiply
    25,133,238x = 34,686,683.52 × 15,215,587.20
  4. Step 4: Simplify right side
    25,133,238x = 527,778,257,777,362.94
  5. Step 5: Solve for x
    x = 527,778,257,777,362.94/25,133,238
  6. Step 6: Final answer
    x = 20,999,214.58

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1.5x scale

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.