Home / 21,326,312.50-29,430,222.09-11,536,732.33

Finding the Fourth Proportional to 21,326,312.50, 29,430,222.09 and 11,536,732.33

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Solution

The fourth proportional to 21,326,312.50, 29,430,222.09 and 11,536,732.33 is: 15,920,642.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,326,312.50 : 29,430,222.09 = 11,536,732.33 : x
  2. Step 2: Convert to fraction form
    21,326,312.50/29,430,222.09 = 11,536,732.33/x
  3. Step 3: Cross multiply
    21,326,312.50x = 29,430,222.09 × 11,536,732.33
  4. Step 4: Simplify right side
    21,326,312.50x = 339,528,594,664,783.19
  5. Step 5: Solve for x
    x = 339,528,594,664,783.19/21,326,312.50
  6. Step 6: Final answer
    x = 15,920,642.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.