Home / 14,012,403.40-21,018,605.10-3,915,008.20

Finding the Fourth Proportional to 14,012,403.40, 21,018,605.10 and 3,915,008.20

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Solution

The fourth proportional to 14,012,403.40, 21,018,605.10 and 3,915,008.20 is: 5,872,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,403.40 : 21,018,605.10 = 3,915,008.20 : x
  2. Step 2: Convert to fraction form
    14,012,403.40/21,018,605.10 = 3,915,008.20/x
  3. Step 3: Cross multiply
    14,012,403.40x = 21,018,605.10 × 3,915,008.20
  4. Step 4: Simplify right side
    14,012,403.40x = 82,288,011,319,061.83
  5. Step 5: Solve for x
    x = 82,288,011,319,061.83/14,012,403.40
  6. Step 6: Final answer
    x = 5,872,512.30

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1.5x scale

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.