Home / 13,284,187.40-19,926,281.10-7,604,985.80

Finding the Fourth Proportional to 13,284,187.40, 19,926,281.10 and 7,604,985.80

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Solution

The fourth proportional to 13,284,187.40, 19,926,281.10 and 7,604,985.80 is: 11,407,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284,187.40 : 19,926,281.10 = 7,604,985.80 : x
  2. Step 2: Convert to fraction form
    13,284,187.40/19,926,281.10 = 7,604,985.80/x
  3. Step 3: Cross multiply
    13,284,187.40x = 19,926,281.10 × 7,604,985.80
  4. Step 4: Simplify right side
    13,284,187.40x = 151,539,084,812,308.38
  5. Step 5: Solve for x
    x = 151,539,084,812,308.38/13,284,187.40
  6. Step 6: Final answer
    x = 11,407,478.70

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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.