Home / 12,465,030.60-18,697,545.90-8,210,003.40

Finding the Fourth Proportional to 12,465,030.60, 18,697,545.90 and 8,210,003.40

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Solution

The fourth proportional to 12,465,030.60, 18,697,545.90 and 8,210,003.40 is: 12,315,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465,030.60 : 18,697,545.90 = 8,210,003.40 : x
  2. Step 2: Convert to fraction form
    12,465,030.60/18,697,545.90 = 8,210,003.40/x
  3. Step 3: Cross multiply
    12,465,030.60x = 18,697,545.90 × 8,210,003.40
  4. Step 4: Simplify right side
    12,465,030.60x = 153,506,915,410,656.06
  5. Step 5: Solve for x
    x = 153,506,915,410,656.06/12,465,030.60
  6. Step 6: Final answer
    x = 12,315,005.10

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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.