Home / 12,465,029.60-18,697,544.40-8,210,002.40

Finding the Fourth Proportional to 12,465,029.60, 18,697,544.40 and 8,210,002.40

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Solution

The fourth proportional to 12,465,029.60, 18,697,544.40 and 8,210,002.40 is: 12,315,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465,029.60 : 18,697,544.40 = 8,210,002.40 : x
  2. Step 2: Convert to fraction form
    12,465,029.60/18,697,544.40 = 8,210,002.40/x
  3. Step 3: Cross multiply
    12,465,029.60x = 18,697,544.40 × 8,210,002.40
  4. Step 4: Simplify right side
    12,465,029.60x = 153,506,884,398,106.56
  5. Step 5: Solve for x
    x = 153,506,884,398,106.56/12,465,029.60
  6. Step 6: Final answer
    x = 12,315,003.60

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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.