Home / 7,721,445.50-10,656,539.80-4,458,254.74

Finding the Fourth Proportional to 7,721,445.50, 10,656,539.80 and 4,458,254.74

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Solution

The fourth proportional to 7,721,445.50, 10,656,539.80 and 4,458,254.74 is: 6,152,937.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,445.50 : 10,656,539.80 = 4,458,254.74 : x
  2. Step 2: Convert to fraction form
    7,721,445.50/10,656,539.80 = 4,458,254.74/x
  3. Step 3: Cross multiply
    7,721,445.50x = 10,656,539.80 × 4,458,254.74
  4. Step 4: Simplify right side
    7,721,445.50x = 47,509,569,075,348.66
  5. Step 5: Solve for x
    x = 47,509,569,075,348.66/7,721,445.50
  6. Step 6: Final answer
    x = 6,152,937.18

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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.