Home / 28,350,834.60-42,477,263.10-13,173,637.80

Finding the Fourth Proportional to 28,350,834.60, 42,477,263.10 and 13,173,637.80

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Solution

The fourth proportional to 28,350,834.60, 42,477,263.10 and 13,173,637.80 is: 19,737,693.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,350,834.60 : 42,477,263.10 = 13,173,637.80 : x
  2. Step 2: Convert to fraction form
    28,350,834.60/42,477,263.10 = 13,173,637.80/x
  3. Step 3: Cross multiply
    28,350,834.60x = 42,477,263.10 × 13,173,637.80
  4. Step 4: Simplify right side
    28,350,834.60x = 559,580,078,814,705.25
  5. Step 5: Solve for x
    x = 559,580,078,814,705.25/28,350,834.60
  6. Step 6: Final answer
    x = 19,737,693.32

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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.