Home / 30,242,520.80-45,363,781.20-10,047,762.80

Finding the Fourth Proportional to 30,242,520.80, 45,363,781.20 and 10,047,762.80

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Solution

The fourth proportional to 30,242,520.80, 45,363,781.20 and 10,047,762.80 is: 15,071,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,242,520.80 : 45,363,781.20 = 10,047,762.80 : x
  2. Step 2: Convert to fraction form
    30,242,520.80/45,363,781.20 = 10,047,762.80/x
  3. Step 3: Cross multiply
    30,242,520.80x = 45,363,781.20 × 10,047,762.80
  4. Step 4: Simplify right side
    30,242,520.80x = 455,804,513,208,699.44
  5. Step 5: Solve for x
    x = 455,804,513,208,699.44/30,242,520.80
  6. Step 6: Final answer
    x = 15,071,644.20

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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.