Home / 30,672,001.60-46,008,002.40-9,109,931.20

Finding the Fourth Proportional to 30,672,001.60, 46,008,002.40 and 9,109,931.20

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Solution

The fourth proportional to 30,672,001.60, 46,008,002.40 and 9,109,931.20 is: 13,664,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,672,001.60 : 46,008,002.40 = 9,109,931.20 : x
  2. Step 2: Convert to fraction form
    30,672,001.60/46,008,002.40 = 9,109,931.20/x
  3. Step 3: Cross multiply
    30,672,001.60x = 46,008,002.40 × 9,109,931.20
  4. Step 4: Simplify right side
    30,672,001.60x = 419,129,736,513,434.81
  5. Step 5: Solve for x
    x = 419,129,736,513,434.81/30,672,001.60
  6. Step 6: Final answer
    x = 13,664,896.80

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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.