Home / 9,362,129.19-12,920,137.29-5,232,160.21

Finding the Fourth Proportional to 9,362,129.19, 12,920,137.29 and 5,232,160.21

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Solution

The fourth proportional to 9,362,129.19, 12,920,137.29 and 5,232,160.21 is: 7,220,604.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,362,129.19 : 12,920,137.29 = 5,232,160.21 : x
  2. Step 2: Convert to fraction form
    9,362,129.19/12,920,137.29 = 5,232,160.21/x
  3. Step 3: Cross multiply
    9,362,129.19x = 12,920,137.29 × 5,232,160.21
  4. Step 4: Simplify right side
    9,362,129.19x = 67,600,228,236,475.23
  5. Step 5: Solve for x
    x = 67,600,228,236,475.23/9,362,129.19
  6. Step 6: Final answer
    x = 7,220,604.08

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1.5x scale

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.