Home / 28,399,136.40-42,626,698.20-14,038,419.60

Finding the Fourth Proportional to 28,399,136.40, 42,626,698.20 and 14,038,419.60

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Solution

The fourth proportional to 28,399,136.40, 42,626,698.20 and 14,038,419.60 is: 21,071,467.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,399,136.40 : 42,626,698.20 = 14,038,419.60 : x
  2. Step 2: Convert to fraction form
    28,399,136.40/42,626,698.20 = 14,038,419.60/x
  3. Step 3: Cross multiply
    28,399,136.40x = 42,626,698.20 × 14,038,419.60
  4. Step 4: Simplify right side
    28,399,136.40x = 598,411,475,494,164.75
  5. Step 5: Solve for x
    x = 598,411,475,494,164.75/28,399,136.40
  6. Step 6: Final answer
    x = 21,071,467.35

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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.