Home / 20,293,880.40-28,006,699.14-12,038,830.20

Finding the Fourth Proportional to 20,293,880.40, 28,006,699.14 and 12,038,830.20

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Solution

The fourth proportional to 20,293,880.40, 28,006,699.14 and 12,038,830.20 is: 16,614,264.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293,880.40 : 28,006,699.14 = 12,038,830.20 : x
  2. Step 2: Convert to fraction form
    20,293,880.40/28,006,699.14 = 12,038,830.20/x
  3. Step 3: Cross multiply
    20,293,880.40x = 28,006,699.14 × 12,038,830.20
  4. Step 4: Simplify right side
    20,293,880.40x = 337,167,895,408,946
  5. Step 5: Solve for x
    x = 337,167,895,408,946/20,293,880.40
  6. Step 6: Final answer
    x = 16,614,264.44

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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.