Home / 14,539,931.48-20,064,845.12-7,924,579.52

Finding the Fourth Proportional to 14,539,931.48, 20,064,845.12 and 7,924,579.52

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Solution

The fourth proportional to 14,539,931.48, 20,064,845.12 and 7,924,579.52 is: 10,935,777.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,539,931.48 : 20,064,845.12 = 7,924,579.52 : x
  2. Step 2: Convert to fraction form
    14,539,931.48/20,064,845.12 = 7,924,579.52/x
  3. Step 3: Cross multiply
    14,539,931.48x = 20,064,845.12 × 7,924,579.52
  4. Step 4: Simplify right side
    14,539,931.48x = 159,005,460,709,923.94
  5. Step 5: Solve for x
    x = 159,005,460,709,923.94/14,539,931.48
  6. Step 6: Final answer
    x = 10,935,777.86

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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.