Home / 19,811,207.80-29,716,811.70-7,033,004.20

Finding the Fourth Proportional to 19,811,207.80, 29,716,811.70 and 7,033,004.20

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Solution

The fourth proportional to 19,811,207.80, 29,716,811.70 and 7,033,004.20 is: 10,549,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811,207.80 : 29,716,811.70 = 7,033,004.20 : x
  2. Step 2: Convert to fraction form
    19,811,207.80/29,716,811.70 = 7,033,004.20/x
  3. Step 3: Cross multiply
    19,811,207.80x = 29,716,811.70 × 7,033,004.20
  4. Step 4: Simplify right side
    19,811,207.80x = 208,998,461,496,709.12
  5. Step 5: Solve for x
    x = 208,998,461,496,709.12/19,811,207.80
  6. Step 6: Final answer
    x = 10,549,506.30

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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.