Home / 13,943,543.40-20,915,315.10-13,412,102.40

Finding the Fourth Proportional to 13,943,543.40, 20,915,315.10 and 13,412,102.40

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Solution

The fourth proportional to 13,943,543.40, 20,915,315.10 and 13,412,102.40 is: 20,118,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,543.40 : 20,915,315.10 = 13,412,102.40 : x
  2. Step 2: Convert to fraction form
    13,943,543.40/20,915,315.10 = 13,412,102.40/x
  3. Step 3: Cross multiply
    13,943,543.40x = 20,915,315.10 × 13,412,102.40
  4. Step 4: Simplify right side
    13,943,543.40x = 280,518,347,849,466.28
  5. Step 5: Solve for x
    x = 280,518,347,849,466.28/13,943,543.40
  6. Step 6: Final answer
    x = 20,118,153.60

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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.