Home / 30,602,623.80-45,903,935.70-10,407,865.80

Finding the Fourth Proportional to 30,602,623.80, 45,903,935.70 and 10,407,865.80

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Solution

The fourth proportional to 30,602,623.80, 45,903,935.70 and 10,407,865.80 is: 15,611,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,602,623.80 : 45,903,935.70 = 10,407,865.80 : x
  2. Step 2: Convert to fraction form
    30,602,623.80/45,903,935.70 = 10,407,865.80/x
  3. Step 3: Cross multiply
    30,602,623.80x = 45,903,935.70 × 10,407,865.80
  4. Step 4: Simplify right side
    30,602,623.80x = 477,762,002,457,429.12
  5. Step 5: Solve for x
    x = 477,762,002,457,429.12/30,602,623.80
  6. Step 6: Final answer
    x = 15,611,798.70

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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.