Home / 14,371,640.40-21,525,967.80-12,776,005.20

Finding the Fourth Proportional to 14,371,640.40, 21,525,967.80 and 12,776,005.20

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Solution

The fourth proportional to 14,371,640.40, 21,525,967.80 and 12,776,005.20 is: 19,136,011.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,371,640.40 : 21,525,967.80 = 12,776,005.20 : x
  2. Step 2: Convert to fraction form
    14,371,640.40/21,525,967.80 = 12,776,005.20/x
  3. Step 3: Cross multiply
    14,371,640.40x = 21,525,967.80 × 12,776,005.20
  4. Step 4: Simplify right side
    14,371,640.40x = 275,015,876,547,832.56
  5. Step 5: Solve for x
    x = 275,015,876,547,832.56/14,371,640.40
  6. Step 6: Final answer
    x = 19,136,011.54

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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.