Home / 13,124,009.60-19,686,014.40-8,316,108.80

Finding the Fourth Proportional to 13,124,009.60, 19,686,014.40 and 8,316,108.80

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Solution

The fourth proportional to 13,124,009.60, 19,686,014.40 and 8,316,108.80 is: 12,474,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124,009.60 : 19,686,014.40 = 8,316,108.80 : x
  2. Step 2: Convert to fraction form
    13,124,009.60/19,686,014.40 = 8,316,108.80/x
  3. Step 3: Cross multiply
    13,124,009.60x = 19,686,014.40 × 8,316,108.80
  4. Step 4: Simplify right side
    13,124,009.60x = 163,711,037,588,766.72
  5. Step 5: Solve for x
    x = 163,711,037,588,766.72/13,124,009.60
  6. Step 6: Final answer
    x = 12,474,163.20

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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.