Home / 30,074,530.50-45,112,681.49-7,355,427.75

Finding the Fourth Proportional to 30,074,530.50, 45,112,681.49 and 7,355,427.75

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Solution

The fourth proportional to 30,074,530.50, 45,112,681.49 and 7,355,427.75 is: 11,033,358.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,074,530.50 : 45,112,681.49 = 7,355,427.75 : x
  2. Step 2: Convert to fraction form
    30,074,530.50/45,112,681.49 = 7,355,427.75/x
  3. Step 3: Cross multiply
    30,074,530.50x = 45,112,681.49 × 7,355,427.75
  4. Step 4: Simplify right side
    30,074,530.50x = 331,823,069,271,680.19
  5. Step 5: Solve for x
    x = 331,823,069,271,680.19/30,074,530.50
  6. Step 6: Final answer
    x = 11,033,358.25

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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.