Home / 21,684,392.06-32,516,125.46-12,588,779.34

Finding the Fourth Proportional to 21,684,392.06, 32,516,125.46 and 12,588,779.34

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Solution

The fourth proportional to 21,684,392.06, 32,516,125.46 and 12,588,779.34 is: 18,877,094.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,684,392.06 : 32,516,125.46 = 12,588,779.34 : x
  2. Step 2: Convert to fraction form
    21,684,392.06/32,516,125.46 = 12,588,779.34/x
  3. Step 3: Cross multiply
    21,684,392.06x = 32,516,125.46 × 12,588,779.34
  4. Step 4: Simplify right side
    21,684,392.06x = 409,338,328,407,696
  5. Step 5: Solve for x
    x = 409,338,328,407,696/21,684,392.06
  6. Step 6: Final answer
    x = 18,877,094.98

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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.