Home / 9,020,978.44-12,436,907.28-7,166,547.04

Finding the Fourth Proportional to 9,020,978.44, 12,436,907.28 and 7,166,547.04

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Solution

The fourth proportional to 9,020,978.44, 12,436,907.28 and 7,166,547.04 is: 9,880,267.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020,978.44 : 12,436,907.28 = 7,166,547.04 : x
  2. Step 2: Convert to fraction form
    9,020,978.44/12,436,907.28 = 7,166,547.04/x
  3. Step 3: Cross multiply
    9,020,978.44x = 12,436,907.28 × 7,166,547.04
  4. Step 4: Simplify right side
    9,020,978.44x = 89,129,681,054,238.45
  5. Step 5: Solve for x
    x = 89,129,681,054,238.45/9,020,978.44
  6. Step 6: Final answer
    x = 9,880,267.61

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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.