Home / 14,401,867.20-21,602,800.80-13,307,006.40

Finding the Fourth Proportional to 14,401,867.20, 21,602,800.80 and 13,307,006.40

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Solution

The fourth proportional to 14,401,867.20, 21,602,800.80 and 13,307,006.40 is: 19,960,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401,867.20 : 21,602,800.80 = 13,307,006.40 : x
  2. Step 2: Convert to fraction form
    14,401,867.20/21,602,800.80 = 13,307,006.40/x
  3. Step 3: Cross multiply
    14,401,867.20x = 21,602,800.80 × 13,307,006.40
  4. Step 4: Simplify right side
    14,401,867.20x = 287,468,608,503,525.12
  5. Step 5: Solve for x
    x = 287,468,608,503,525.12/14,401,867.20
  6. Step 6: Final answer
    x = 19,960,509.60

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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.