Home / 6,688,561.80-10,032,842.70-6,240,664.20

Finding the Fourth Proportional to 6,688,561.80, 10,032,842.70 and 6,240,664.20

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Solution

The fourth proportional to 6,688,561.80, 10,032,842.70 and 6,240,664.20 is: 9,360,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688,561.80 : 10,032,842.70 = 6,240,664.20 : x
  2. Step 2: Convert to fraction form
    6,688,561.80/10,032,842.70 = 6,240,664.20/x
  3. Step 3: Cross multiply
    6,688,561.80x = 10,032,842.70 × 6,240,664.20
  4. Step 4: Simplify right side
    6,688,561.80x = 62,611,602,262,121.34
  5. Step 5: Solve for x
    x = 62,611,602,262,121.34/6,688,561.80
  6. Step 6: Final answer
    x = 9,360,996.30

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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.