Home / 6,827,381.71-9,421,971.98-4,075,666.88

Finding the Fourth Proportional to 6,827,381.71, 9,421,971.98 and 4,075,666.88

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Solution

The fourth proportional to 6,827,381.71, 9,421,971.98 and 4,075,666.88 is: 5,624,530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,827,381.71 : 9,421,971.98 = 4,075,666.88 : x
  2. Step 2: Convert to fraction form
    6,827,381.71/9,421,971.98 = 4,075,666.88/x
  3. Step 3: Cross multiply
    6,827,381.71x = 9,421,971.98 × 4,075,666.88
  4. Step 4: Simplify right side
    6,827,381.71x = 38,400,819,075,685.83
  5. Step 5: Solve for x
    x = 38,400,819,075,685.83/6,827,381.71
  6. Step 6: Final answer
    x = 5,624,530.86

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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.