Home / 20,113,252.20-30,169,878.30-12,051,095.40

Finding the Fourth Proportional to 20,113,252.20, 30,169,878.30 and 12,051,095.40

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Solution

The fourth proportional to 20,113,252.20, 30,169,878.30 and 12,051,095.40 is: 18,076,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,113,252.20 : 30,169,878.30 = 12,051,095.40 : x
  2. Step 2: Convert to fraction form
    20,113,252.20/30,169,878.30 = 12,051,095.40/x
  3. Step 3: Cross multiply
    20,113,252.20x = 30,169,878.30 × 12,051,095.40
  4. Step 4: Simplify right side
    20,113,252.20x = 363,580,081,599,689.81
  5. Step 5: Solve for x
    x = 363,580,081,599,689.81/20,113,252.20
  6. Step 6: Final answer
    x = 18,076,643.10

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1.5x scale

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.