Home / 12,403,259.40-18,604,889.10-3,305,339.40

Finding the Fourth Proportional to 12,403,259.40, 18,604,889.10 and 3,305,339.40

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Solution

The fourth proportional to 12,403,259.40, 18,604,889.10 and 3,305,339.40 is: 4,958,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403,259.40 : 18,604,889.10 = 3,305,339.40 : x
  2. Step 2: Convert to fraction form
    12,403,259.40/18,604,889.10 = 3,305,339.40/x
  3. Step 3: Cross multiply
    12,403,259.40x = 18,604,889.10 × 3,305,339.40
  4. Step 4: Simplify right side
    12,403,259.40x = 61,495,472,974,860.55
  5. Step 5: Solve for x
    x = 61,495,472,974,860.55/12,403,259.40
  6. Step 6: Final answer
    x = 4,958,009.10

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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.