Home / 12,912,004.60-19,368,006.90-10,896,465.40

Finding the Fourth Proportional to 12,912,004.60, 19,368,006.90 and 10,896,465.40

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Solution

The fourth proportional to 12,912,004.60, 19,368,006.90 and 10,896,465.40 is: 16,344,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912,004.60 : 19,368,006.90 = 10,896,465.40 : x
  2. Step 2: Convert to fraction form
    12,912,004.60/19,368,006.90 = 10,896,465.40/x
  3. Step 3: Cross multiply
    12,912,004.60x = 19,368,006.90 × 10,896,465.40
  4. Step 4: Simplify right side
    12,912,004.60x = 211,042,817,052,811.25
  5. Step 5: Solve for x
    x = 211,042,817,052,811.25/12,912,004.60
  6. Step 6: Final answer
    x = 16,344,698.10

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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.