Home / 21,562,235.40-32,343,353.10-7,185,772.20

Finding the Fourth Proportional to 21,562,235.40, 32,343,353.10 and 7,185,772.20

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Solution

The fourth proportional to 21,562,235.40, 32,343,353.10 and 7,185,772.20 is: 10,778,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,562,235.40 : 32,343,353.10 = 7,185,772.20 : x
  2. Step 2: Convert to fraction form
    21,562,235.40/32,343,353.10 = 7,185,772.20/x
  3. Step 3: Cross multiply
    21,562,235.40x = 32,343,353.10 × 7,185,772.20
  4. Step 4: Simplify right side
    21,562,235.40x = 232,411,967,560,763.84
  5. Step 5: Solve for x
    x = 232,411,967,560,763.84/21,562,235.40
  6. Step 6: Final answer
    x = 10,778,658.30

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1.5x scale

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.