Home / 28,397,386.20-42,602,300.10-9,224,880.60

Finding the Fourth Proportional to 28,397,386.20, 42,602,300.10 and 9,224,880.60

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Solution

The fourth proportional to 28,397,386.20, 42,602,300.10 and 9,224,880.60 is: 13,839,341.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397,386.20 : 42,602,300.10 = 9,224,880.60 : x
  2. Step 2: Convert to fraction form
    28,397,386.20/42,602,300.10 = 9,224,880.60/x
  3. Step 3: Cross multiply
    28,397,386.20x = 42,602,300.10 × 9,224,880.60
  4. Step 4: Simplify right side
    28,397,386.20x = 393,001,131,707,868.06
  5. Step 5: Solve for x
    x = 393,001,131,707,868.06/28,397,386.20
  6. Step 6: Final answer
    x = 13,839,341.72

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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.