Home / 28,788,018.60-43,161,032.70-11,739,916.20

Finding the Fourth Proportional to 28,788,018.60, 43,161,032.70 and 11,739,916.20

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Solution

The fourth proportional to 28,788,018.60, 43,161,032.70 and 11,739,916.20 is: 17,601,312.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788,018.60 : 43,161,032.70 = 11,739,916.20 : x
  2. Step 2: Convert to fraction form
    28,788,018.60/43,161,032.70 = 11,739,916.20/x
  3. Step 3: Cross multiply
    28,788,018.60x = 43,161,032.70 × 11,739,916.20
  4. Step 4: Simplify right side
    28,788,018.60x = 506,706,907,003,459.75
  5. Step 5: Solve for x
    x = 506,706,907,003,459.75/28,788,018.60
  6. Step 6: Final answer
    x = 17,601,312.34

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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.