Home / 12,980,731.60-19,447,477.80-10,571,532.40

Finding the Fourth Proportional to 12,980,731.60, 19,447,477.80 and 10,571,532.40

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Solution

The fourth proportional to 12,980,731.60, 19,447,477.80 and 10,571,532.40 is: 15,838,062.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,980,731.60 : 19,447,477.80 = 10,571,532.40 : x
  2. Step 2: Convert to fraction form
    12,980,731.60/19,447,477.80 = 10,571,532.40/x
  3. Step 3: Cross multiply
    12,980,731.60x = 19,447,477.80 × 10,571,532.40
  4. Step 4: Simplify right side
    12,980,731.60x = 205,589,641,660,980.75
  5. Step 5: Solve for x
    x = 205,589,641,660,980.75/12,980,731.60
  6. Step 6: Final answer
    x = 15,838,062.75

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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.