Home / 30,356,679.76-45,538,208.60-9,887,994.32

Finding the Fourth Proportional to 30,356,679.76, 45,538,208.60 and 9,887,994.32

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Solution

The fourth proportional to 30,356,679.76, 45,538,208.60 and 9,887,994.32 is: 14,833,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,356,679.76 : 45,538,208.60 = 9,887,994.32 : x
  2. Step 2: Convert to fraction form
    30,356,679.76/45,538,208.60 = 9,887,994.32/x
  3. Step 3: Cross multiply
    30,356,679.76x = 45,538,208.60 × 9,887,994.32
  4. Step 4: Simplify right side
    30,356,679.76x = 450,281,547,979,775.19
  5. Step 5: Solve for x
    x = 450,281,547,979,775.19/30,356,679.76
  6. Step 6: Final answer
    x = 14,833,030.21

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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.