Home / 14,430,359.96-19,913,650.60-7,814,894.68

Finding the Fourth Proportional to 14,430,359.96, 19,913,650.60 and 7,814,894.68

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Solution

The fourth proportional to 14,430,359.96, 19,913,650.60 and 7,814,894.68 is: 10,784,421.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430,359.96 : 19,913,650.60 = 7,814,894.68 : x
  2. Step 2: Convert to fraction form
    14,430,359.96/19,913,650.60 = 7,814,894.68/x
  3. Step 3: Cross multiply
    14,430,359.96x = 19,913,650.60 × 7,814,894.68
  4. Step 4: Simplify right side
    14,430,359.96x = 155,623,082,133,318.81
  5. Step 5: Solve for x
    x = 155,623,082,133,318.81/14,430,359.96
  6. Step 6: Final answer
    x = 10,784,421.36

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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.