Home / 51,031,803.60-76,547,705.40-18,684,761.40

Finding the Fourth Proportional to 51,031,803.60, 76,547,705.40 and 18,684,761.40

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Solution

The fourth proportional to 51,031,803.60, 76,547,705.40 and 18,684,761.40 is: 28,027,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,031,803.60 : 76,547,705.40 = 18,684,761.40 : x
  2. Step 2: Convert to fraction form
    51,031,803.60/76,547,705.40 = 18,684,761.40/x
  3. Step 3: Cross multiply
    51,031,803.60x = 76,547,705.40 × 18,684,761.40
  4. Step 4: Simplify right side
    51,031,803.60x = 1,430,275,611,116,491.50
  5. Step 5: Solve for x
    x = 1,430,275,611,116,491.50/51,031,803.60
  6. Step 6: Final answer
    x = 28,027,142.10

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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.