Home / 28,005,297.60-42,007,946.40-6,730,161.60

Finding the Fourth Proportional to 28,005,297.60, 42,007,946.40 and 6,730,161.60

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Solution

The fourth proportional to 28,005,297.60, 42,007,946.40 and 6,730,161.60 is: 10,095,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,005,297.60 : 42,007,946.40 = 6,730,161.60 : x
  2. Step 2: Convert to fraction form
    28,005,297.60/42,007,946.40 = 6,730,161.60/x
  3. Step 3: Cross multiply
    28,005,297.60x = 42,007,946.40 × 6,730,161.60
  4. Step 4: Simplify right side
    28,005,297.60x = 282,720,267,756,138.19
  5. Step 5: Solve for x
    x = 282,720,267,756,138.19/28,005,297.60
  6. Step 6: Final answer
    x = 10,095,242.40

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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.