Home / 12,528,089.85-18,792,134.78-4,009,287.45

Finding the Fourth Proportional to 12,528,089.85, 18,792,134.78 and 4,009,287.45

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Solution

The fourth proportional to 12,528,089.85, 18,792,134.78 and 4,009,287.45 is: 6,013,931.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,089.85 : 18,792,134.78 = 4,009,287.45 : x
  2. Step 2: Convert to fraction form
    12,528,089.85/18,792,134.78 = 4,009,287.45/x
  3. Step 3: Cross multiply
    12,528,089.85x = 18,792,134.78 × 4,009,287.45
  4. Step 4: Simplify right side
    12,528,089.85x = 75,343,070,112,116.08
  5. Step 5: Solve for x
    x = 75,343,070,112,116.08/12,528,089.85
  6. Step 6: Final answer
    x = 6,013,931.18

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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.