Home / 20,205,074.40-30,307,611.60-5,828,611.20

Finding the Fourth Proportional to 20,205,074.40, 30,307,611.60 and 5,828,611.20

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Solution

The fourth proportional to 20,205,074.40, 30,307,611.60 and 5,828,611.20 is: 8,742,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,205,074.40 : 30,307,611.60 = 5,828,611.20 : x
  2. Step 2: Convert to fraction form
    20,205,074.40/30,307,611.60 = 5,828,611.20/x
  3. Step 3: Cross multiply
    20,205,074.40x = 30,307,611.60 × 5,828,611.20
  4. Step 4: Simplify right side
    20,205,074.40x = 176,651,284,417,009.94
  5. Step 5: Solve for x
    x = 176,651,284,417,009.94/20,205,074.40
  6. Step 6: Final answer
    x = 8,742,916.80

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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.