Home / 12,960,015.40-19,440,023.10-10,692,533.80

Finding the Fourth Proportional to 12,960,015.40, 19,440,023.10 and 10,692,533.80

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Solution

The fourth proportional to 12,960,015.40, 19,440,023.10 and 10,692,533.80 is: 16,038,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,015.40 : 19,440,023.10 = 10,692,533.80 : x
  2. Step 2: Convert to fraction form
    12,960,015.40/19,440,023.10 = 10,692,533.80/x
  3. Step 3: Cross multiply
    12,960,015.40x = 19,440,023.10 × 10,692,533.80
  4. Step 4: Simplify right side
    12,960,015.40x = 207,863,104,069,530.81
  5. Step 5: Solve for x
    x = 207,863,104,069,530.81/12,960,015.40
  6. Step 6: Final answer
    x = 16,038,800.70

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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.