Home / 28,070,882.40-42,106,323.60-8,903,139.60

Finding the Fourth Proportional to 28,070,882.40, 42,106,323.60 and 8,903,139.60

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Solution

The fourth proportional to 28,070,882.40, 42,106,323.60 and 8,903,139.60 is: 13,354,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,070,882.40 : 42,106,323.60 = 8,903,139.60 : x
  2. Step 2: Convert to fraction form
    28,070,882.40/42,106,323.60 = 8,903,139.60/x
  3. Step 3: Cross multiply
    28,070,882.40x = 42,106,323.60 × 8,903,139.60
  4. Step 4: Simplify right side
    28,070,882.40x = 374,878,477,053,574.56
  5. Step 5: Solve for x
    x = 374,878,477,053,574.56/28,070,882.40
  6. Step 6: Final answer
    x = 13,354,709.40

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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.