Home / 30,535,670.50-45,803,476.59-7,816,531.30

Finding the Fourth Proportional to 30,535,670.50, 45,803,476.59 and 7,816,531.30

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Solution

The fourth proportional to 30,535,670.50, 45,803,476.59 and 7,816,531.30 is: 11,724,789.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,535,670.50 : 45,803,476.59 = 7,816,531.30 : x
  2. Step 2: Convert to fraction form
    30,535,670.50/45,803,476.59 = 7,816,531.30/x
  3. Step 3: Cross multiply
    30,535,670.50x = 45,803,476.59 × 7,816,531.30
  4. Step 4: Simplify right side
    30,535,670.50x = 358,024,308,414,552.31
  5. Step 5: Solve for x
    x = 358,024,308,414,552.31/30,535,670.50
  6. Step 6: Final answer
    x = 11,724,789.49

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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.