Home / 30,112,980.02-45,169,380.66-8,547,599.96

Finding the Fourth Proportional to 30,112,980.02, 45,169,380.66 and 8,547,599.96

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Solution

The fourth proportional to 30,112,980.02, 45,169,380.66 and 8,547,599.96 is: 12,821,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,112,980.02 : 45,169,380.66 = 8,547,599.96 : x
  2. Step 2: Convert to fraction form
    30,112,980.02/45,169,380.66 = 8,547,599.96/x
  3. Step 3: Cross multiply
    30,112,980.02x = 45,169,380.66 × 8,547,599.96
  4. Step 4: Simplify right side
    30,112,980.02x = 386,089,796,322,640.81
  5. Step 5: Solve for x
    x = 386,089,796,322,640.81/30,112,980.02
  6. Step 6: Final answer
    x = 12,821,374.57

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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.