Home / 30,166,551.16-45,249,919.62-7,447,450.84

Finding the Fourth Proportional to 30,166,551.16, 45,249,919.62 and 7,447,450.84

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Solution

The fourth proportional to 30,166,551.16, 45,249,919.62 and 7,447,450.84 is: 11,171,199.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166,551.16 : 45,249,919.62 = 7,447,450.84 : x
  2. Step 2: Convert to fraction form
    30,166,551.16/45,249,919.62 = 7,447,450.84/x
  3. Step 3: Cross multiply
    30,166,551.16x = 45,249,919.62 × 7,447,450.84
  4. Step 4: Simplify right side
    30,166,551.16x = 336,996,551,883,901.44
  5. Step 5: Solve for x
    x = 336,996,551,883,901.44/30,166,551.16
  6. Step 6: Final answer
    x = 11,171,199.19

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Double scale
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1.5x scale

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.