Home / 7,748,915.02-11,625,988.32-3,430,369.54

Finding the Fourth Proportional to 7,748,915.02, 11,625,988.32 and 3,430,369.54

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Solution

The fourth proportional to 7,748,915.02, 11,625,988.32 and 3,430,369.54 is: 5,146,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748,915.02 : 11,625,988.32 = 3,430,369.54 : x
  2. Step 2: Convert to fraction form
    7,748,915.02/11,625,988.32 = 3,430,369.54/x
  3. Step 3: Cross multiply
    7,748,915.02x = 11,625,988.32 × 3,430,369.54
  4. Step 4: Simplify right side
    7,748,915.02x = 39,881,436,219,856.26
  5. Step 5: Solve for x
    x = 39,881,436,219,856.26/7,748,915.02
  6. Step 6: Final answer
    x = 5,146,712.30

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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.