Home / 12,528,079.10-18,792,118.65-4,009,276.70

Finding the Fourth Proportional to 12,528,079.10, 18,792,118.65 and 4,009,276.70

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Solution

The fourth proportional to 12,528,079.10, 18,792,118.65 and 4,009,276.70 is: 6,013,915.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,079.10 : 18,792,118.65 = 4,009,276.70 : x
  2. Step 2: Convert to fraction form
    12,528,079.10/18,792,118.65 = 4,009,276.70/x
  3. Step 3: Cross multiply
    12,528,079.10x = 18,792,118.65 × 4,009,276.70
  4. Step 4: Simplify right side
    12,528,079.10x = 75,342,803,447,080.45
  5. Step 5: Solve for x
    x = 75,342,803,447,080.45/12,528,079.10
  6. Step 6: Final answer
    x = 6,013,915.05

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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.