Home / 19,791,000.40-29,686,500.60-11,828,376.40

Finding the Fourth Proportional to 19,791,000.40, 29,686,500.60 and 11,828,376.40

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Solution

The fourth proportional to 19,791,000.40, 29,686,500.60 and 11,828,376.40 is: 17,742,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791,000.40 : 29,686,500.60 = 11,828,376.40 : x
  2. Step 2: Convert to fraction form
    19,791,000.40/29,686,500.60 = 11,828,376.40/x
  3. Step 3: Cross multiply
    19,791,000.40x = 29,686,500.60 × 11,828,376.40
  4. Step 4: Simplify right side
    19,791,000.40x = 351,143,103,095,625.88
  5. Step 5: Solve for x
    x = 351,143,103,095,625.88/19,791,000.40
  6. Step 6: Final answer
    x = 17,742,564.60

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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.