Home / 30,535,665.60-45,803,469.24-7,816,526.40

Finding the Fourth Proportional to 30,535,665.60, 45,803,469.24 and 7,816,526.40

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Solution

The fourth proportional to 30,535,665.60, 45,803,469.24 and 7,816,526.40 is: 11,724,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,535,665.60 : 45,803,469.24 = 7,816,526.40 : x
  2. Step 2: Convert to fraction form
    30,535,665.60/45,803,469.24 = 7,816,526.40/x
  3. Step 3: Cross multiply
    30,535,665.60x = 45,803,469.24 × 7,816,526.40
  4. Step 4: Simplify right side
    30,535,665.60x = 358,024,026,486,965.31
  5. Step 5: Solve for x
    x = 358,024,026,486,965.31/30,535,665.60
  6. Step 6: Final answer
    x = 11,724,782.13

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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.