Home / 9,881,320.80-14,822,672.40-3,896,911.20

Finding the Fourth Proportional to 9,881,320.80, 14,822,672.40 and 3,896,911.20

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Solution

The fourth proportional to 9,881,320.80, 14,822,672.40 and 3,896,911.20 is: 5,845,639.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881,320.80 : 14,822,672.40 = 3,896,911.20 : x
  2. Step 2: Convert to fraction form
    9,881,320.80/14,822,672.40 = 3,896,911.20/x
  3. Step 3: Cross multiply
    9,881,320.80x = 14,822,672.40 × 3,896,911.20
  4. Step 4: Simplify right side
    9,881,320.80x = 57,762,638,089,490.88
  5. Step 5: Solve for x
    x = 57,762,638,089,490.88/9,881,320.80
  6. Step 6: Final answer
    x = 5,845,639.39

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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.