Home / 12,866,867.52-19,300,921.98-4,230,776.76

Finding the Fourth Proportional to 12,866,867.52, 19,300,921.98 and 4,230,776.76

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Solution

The fourth proportional to 12,866,867.52, 19,300,921.98 and 4,230,776.76 is: 6,346,369.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866,867.52 : 19,300,921.98 = 4,230,776.76 : x
  2. Step 2: Convert to fraction form
    12,866,867.52/19,300,921.98 = 4,230,776.76/x
  3. Step 3: Cross multiply
    12,866,867.52x = 19,300,921.98 × 4,230,776.76
  4. Step 4: Simplify right side
    12,866,867.52x = 81,657,892,159,557.19
  5. Step 5: Solve for x
    x = 81,657,892,159,557.19/12,866,867.52
  6. Step 6: Final answer
    x = 6,346,369.23

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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.