Home / 7,341,280.90-10,130,686.00-4,078,300.79

Finding the Fourth Proportional to 7,341,280.90, 10,130,686.00 and 4,078,300.79

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Solution

The fourth proportional to 7,341,280.90, 10,130,686.00 and 4,078,300.79 is: 5,627,898.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341,280.90 : 10,130,686.00 = 4,078,300.79 : x
  2. Step 2: Convert to fraction form
    7,341,280.90/10,130,686.00 = 4,078,300.79/x
  3. Step 3: Cross multiply
    7,341,280.90x = 10,130,686.00 × 4,078,300.79
  4. Step 4: Simplify right side
    7,341,280.90x = 41,315,984,732,172.91
  5. Step 5: Solve for x
    x = 41,315,984,732,172.91/7,341,280.90
  6. Step 6: Final answer
    x = 5,627,898.63

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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.