Home / 28,557,360.74-42,835,223.61-8,087,031.90

Finding the Fourth Proportional to 28,557,360.74, 42,835,223.61 and 8,087,031.90

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Solution

The fourth proportional to 28,557,360.74, 42,835,223.61 and 8,087,031.90 is: 12,130,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,557,360.74 : 42,835,223.61 = 8,087,031.90 : x
  2. Step 2: Convert to fraction form
    28,557,360.74/42,835,223.61 = 8,087,031.90/x
  3. Step 3: Cross multiply
    28,557,360.74x = 42,835,223.61 × 8,087,031.90
  4. Step 4: Simplify right side
    28,557,360.74x = 346,409,819,777,703.19
  5. Step 5: Solve for x
    x = 346,409,819,777,703.19/28,557,360.74
  6. Step 6: Final answer
    x = 12,130,316.35

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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.