Home / 30,456,465.40-45,684,698.10-28,566,897.40

Finding the Fourth Proportional to 30,456,465.40, 45,684,698.10 and 28,566,897.40

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Solution

The fourth proportional to 30,456,465.40, 45,684,698.10 and 28,566,897.40 is: 42,850,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,456,465.40 : 45,684,698.10 = 28,566,897.40 : x
  2. Step 2: Convert to fraction form
    30,456,465.40/45,684,698.10 = 28,566,897.40/x
  3. Step 3: Cross multiply
    30,456,465.40x = 45,684,698.10 × 28,566,897.40
  4. Step 4: Simplify right side
    30,456,465.40x = 1,305,070,083,372,675
  5. Step 5: Solve for x
    x = 1,305,070,083,372,675/30,456,465.40
  6. Step 6: Final answer
    x = 42,850,346.10

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Similar ratio
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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.