Home / 19,053,381.89-28,580,095.15-5,220,457.74

Finding the Fourth Proportional to 19,053,381.89, 28,580,095.15 and 5,220,457.74

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Solution

The fourth proportional to 19,053,381.89, 28,580,095.15 and 5,220,457.74 is: 7,830,692.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,053,381.89 : 28,580,095.15 = 5,220,457.74 : x
  2. Step 2: Convert to fraction form
    19,053,381.89/28,580,095.15 = 5,220,457.74/x
  3. Step 3: Cross multiply
    19,053,381.89x = 28,580,095.15 × 5,220,457.74
  4. Step 4: Simplify right side
    19,053,381.89x = 149,201,178,922,702.81
  5. Step 5: Solve for x
    x = 149,201,178,922,702.81/19,053,381.89
  6. Step 6: Final answer
    x = 7,830,692.72

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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.