Home / 30,602,633.60-45,903,950.40-7,883,530.85

Finding the Fourth Proportional to 30,602,633.60, 45,903,950.40 and 7,883,530.85

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Solution

The fourth proportional to 30,602,633.60, 45,903,950.40 and 7,883,530.85 is: 11,825,296.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,602,633.60 : 45,903,950.40 = 7,883,530.85 : x
  2. Step 2: Convert to fraction form
    30,602,633.60/45,903,950.40 = 7,883,530.85/x
  3. Step 3: Cross multiply
    30,602,633.60x = 45,903,950.40 × 7,883,530.85
  4. Step 4: Simplify right side
    30,602,633.60x = 361,885,209,115,269.81
  5. Step 5: Solve for x
    x = 361,885,209,115,269.81/30,602,633.60
  6. Step 6: Final answer
    x = 11,825,296.28

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1.5x scale

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.