Home / 13,069,336.80-19,604,005.20-8,023,490.40

Finding the Fourth Proportional to 13,069,336.80, 19,604,005.20 and 8,023,490.40

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Solution

The fourth proportional to 13,069,336.80, 19,604,005.20 and 8,023,490.40 is: 12,035,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069,336.80 : 19,604,005.20 = 8,023,490.40 : x
  2. Step 2: Convert to fraction form
    13,069,336.80/19,604,005.20 = 8,023,490.40/x
  3. Step 3: Cross multiply
    13,069,336.80x = 19,604,005.20 × 8,023,490.40
  4. Step 4: Simplify right side
    13,069,336.80x = 157,292,547,523,750.09
  5. Step 5: Solve for x
    x = 157,292,547,523,750.09/13,069,336.80
  6. Step 6: Final answer
    x = 12,035,235.60

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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.