Home / 30,995,277.48-42,755,671.46-19,372,670.12

Finding the Fourth Proportional to 30,995,277.48, 42,755,671.46 and 19,372,670.12

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Solution

The fourth proportional to 30,995,277.48, 42,755,671.46 and 19,372,670.12 is: 26,723,152.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,995,277.48 : 42,755,671.46 = 19,372,670.12 : x
  2. Step 2: Convert to fraction form
    30,995,277.48/42,755,671.46 = 19,372,670.12/x
  3. Step 3: Cross multiply
    30,995,277.48x = 42,755,671.46 × 19,372,670.12
  4. Step 4: Simplify right side
    30,995,277.48x = 828,291,518,953,678.88
  5. Step 5: Solve for x
    x = 828,291,518,953,678.88/30,995,277.48
  6. Step 6: Final answer
    x = 26,723,152.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.