Home / 13,311,290.80-19,931,506.80-8,492,892.40

Finding the Fourth Proportional to 13,311,290.80, 19,931,506.80 and 8,492,892.40

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Solution

The fourth proportional to 13,311,290.80, 19,931,506.80 and 8,492,892.40 is: 12,716,733.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311,290.80 : 19,931,506.80 = 8,492,892.40 : x
  2. Step 2: Convert to fraction form
    13,311,290.80/19,931,506.80 = 8,492,892.40/x
  3. Step 3: Cross multiply
    13,311,290.80x = 19,931,506.80 × 8,492,892.40
  4. Step 4: Simplify right side
    13,311,290.80x = 169,276,142,622,268.34
  5. Step 5: Solve for x
    x = 169,276,142,622,268.34/13,311,290.80
  6. Step 6: Final answer
    x = 12,716,733.87

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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.