Home / 30,523,210.40-45,784,815.60-7,802,904.80

Finding the Fourth Proportional to 30,523,210.40, 45,784,815.60 and 7,802,904.80

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Solution

The fourth proportional to 30,523,210.40, 45,784,815.60 and 7,802,904.80 is: 11,704,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,523,210.40 : 45,784,815.60 = 7,802,904.80 : x
  2. Step 2: Convert to fraction form
    30,523,210.40/45,784,815.60 = 7,802,904.80/x
  3. Step 3: Cross multiply
    30,523,210.40x = 45,784,815.60 × 7,802,904.80
  4. Step 4: Simplify right side
    30,523,210.40x = 357,254,557,412,354.88
  5. Step 5: Solve for x
    x = 357,254,557,412,354.88/30,523,210.40
  6. Step 6: Final answer
    x = 11,704,357.20

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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.