Home / 22,657,916.96-31,243,182.33-15,302,980.94

Finding the Fourth Proportional to 22,657,916.96, 31,243,182.33 and 15,302,980.94

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Solution

The fourth proportional to 22,657,916.96, 31,243,182.33 and 15,302,980.94 is: 21,101,402.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,657,916.96 : 31,243,182.33 = 15,302,980.94 : x
  2. Step 2: Convert to fraction form
    22,657,916.96/31,243,182.33 = 15,302,980.94/x
  3. Step 3: Cross multiply
    22,657,916.96x = 31,243,182.33 × 15,302,980.94
  4. Step 4: Simplify right side
    22,657,916.96x = 478,113,823,763,031.88
  5. Step 5: Solve for x
    x = 478,113,823,763,031.88/22,657,916.96
  6. Step 6: Final answer
    x = 21,101,402.42

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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.