Home / 20,776,502.10-31,164,753.15-19,075,890.90

Finding the Fourth Proportional to 20,776,502.10, 31,164,753.15 and 19,075,890.90

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Solution

The fourth proportional to 20,776,502.10, 31,164,753.15 and 19,075,890.90 is: 28,613,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,776,502.10 : 31,164,753.15 = 19,075,890.90 : x
  2. Step 2: Convert to fraction form
    20,776,502.10/31,164,753.15 = 19,075,890.90/x
  3. Step 3: Cross multiply
    20,776,502.10x = 31,164,753.15 × 19,075,890.90
  4. Step 4: Simplify right side
    20,776,502.10x = 594,495,431,014,831.25
  5. Step 5: Solve for x
    x = 594,495,431,014,831.25/20,776,502.10
  6. Step 6: Final answer
    x = 28,613,836.35

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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.