Home / 7,341,287.90-10,130,695.66-4,078,307.80

Finding the Fourth Proportional to 7,341,287.90, 10,130,695.66 and 4,078,307.80

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Solution

The fourth proportional to 7,341,287.90, 10,130,695.66 and 4,078,307.80 is: 5,627,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341,287.90 : 10,130,695.66 = 4,078,307.80 : x
  2. Step 2: Convert to fraction form
    7,341,287.90/10,130,695.66 = 4,078,307.80/x
  3. Step 3: Cross multiply
    7,341,287.90x = 10,130,695.66 × 4,078,307.80
  4. Step 4: Simplify right side
    7,341,287.90x = 41,316,095,129,604.15
  5. Step 5: Solve for x
    x = 41,316,095,129,604.15/7,341,287.90
  6. Step 6: Final answer
    x = 5,627,908.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.