Home / 30,535,669.50-45,803,475.09-7,816,530.30

Finding the Fourth Proportional to 30,535,669.50, 45,803,475.09 and 7,816,530.30

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Solution

The fourth proportional to 30,535,669.50, 45,803,475.09 and 7,816,530.30 is: 11,724,787.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,535,669.50 : 45,803,475.09 = 7,816,530.30 : x
  2. Step 2: Convert to fraction form
    30,535,669.50/45,803,475.09 = 7,816,530.30/x
  3. Step 3: Cross multiply
    30,535,669.50x = 45,803,475.09 × 7,816,530.30
  4. Step 4: Simplify right side
    30,535,669.50x = 358,024,250,886,280.25
  5. Step 5: Solve for x
    x = 358,024,250,886,280.25/30,535,669.50
  6. Step 6: Final answer
    x = 11,724,787.99

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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.