Home / 30,688,295.56-42,349,639.26-16,937,259.28

Finding the Fourth Proportional to 30,688,295.56, 42,349,639.26 and 16,937,259.28

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Solution

The fourth proportional to 30,688,295.56, 42,349,639.26 and 16,937,259.28 is: 23,373,302.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,688,295.56 : 42,349,639.26 = 16,937,259.28 : x
  2. Step 2: Convert to fraction form
    30,688,295.56/42,349,639.26 = 16,937,259.28/x
  3. Step 3: Cross multiply
    30,688,295.56x = 42,349,639.26 × 16,937,259.28
  4. Step 4: Simplify right side
    30,688,295.56x = 717,286,820,561,087.38
  5. Step 5: Solve for x
    x = 717,286,820,561,087.38/30,688,295.56
  6. Step 6: Final answer
    x = 23,373,302.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.