Home / 35,280,020.20-52,920,030.30-12,586,541.80

Finding the Fourth Proportional to 35,280,020.20, 52,920,030.30 and 12,586,541.80

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Solution

The fourth proportional to 35,280,020.20, 52,920,030.30 and 12,586,541.80 is: 18,879,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,280,020.20 : 52,920,030.30 = 12,586,541.80 : x
  2. Step 2: Convert to fraction form
    35,280,020.20/52,920,030.30 = 12,586,541.80/x
  3. Step 3: Cross multiply
    35,280,020.20x = 52,920,030.30 × 12,586,541.80
  4. Step 4: Simplify right side
    35,280,020.20x = 666,080,173,428,216.50
  5. Step 5: Solve for x
    x = 666,080,173,428,216.50/35,280,020.20
  6. Step 6: Final answer
    x = 18,879,812.70

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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.