Home / 30,357,266.40-45,520,153.20-11,178,151.20

Finding the Fourth Proportional to 30,357,266.40, 45,520,153.20 and 11,178,151.20

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Solution

The fourth proportional to 30,357,266.40, 45,520,153.20 and 11,178,151.20 is: 16,761,428.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,357,266.40 : 45,520,153.20 = 11,178,151.20 : x
  2. Step 2: Convert to fraction form
    30,357,266.40/45,520,153.20 = 11,178,151.20/x
  3. Step 3: Cross multiply
    30,357,266.40x = 45,520,153.20 × 11,178,151.20
  4. Step 4: Simplify right side
    30,357,266.40x = 508,831,155,116,763.81
  5. Step 5: Solve for x
    x = 508,831,155,116,763.81/30,357,266.40
  6. Step 6: Final answer
    x = 16,761,428.66

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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.