Home / 9,362,128.19-12,920,135.91-5,232,159.21

Finding the Fourth Proportional to 9,362,128.19, 12,920,135.91 and 5,232,159.21

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Solution

The fourth proportional to 9,362,128.19, 12,920,135.91 and 5,232,159.21 is: 7,220,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,362,128.19 : 12,920,135.91 = 5,232,159.21 : x
  2. Step 2: Convert to fraction form
    9,362,128.19/12,920,135.91 = 5,232,159.21/x
  3. Step 3: Cross multiply
    9,362,128.19x = 12,920,135.91 × 5,232,159.21
  4. Step 4: Simplify right side
    9,362,128.19x = 67,600,208,069,797.43
  5. Step 5: Solve for x
    x = 67,600,208,069,797.43/9,362,128.19
  6. Step 6: Final answer
    x = 7,220,602.70

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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.