Home / 28,460,064.40-42,689,943.32-6,894,655.20

Finding the Fourth Proportional to 28,460,064.40, 42,689,943.32 and 6,894,655.20

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Solution

The fourth proportional to 28,460,064.40, 42,689,943.32 and 6,894,655.20 is: 10,341,945.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,460,064.40 : 42,689,943.32 = 6,894,655.20 : x
  2. Step 2: Convert to fraction form
    28,460,064.40/42,689,943.32 = 6,894,655.20/x
  3. Step 3: Cross multiply
    28,460,064.40x = 42,689,943.32 × 6,894,655.20
  4. Step 4: Simplify right side
    28,460,064.40x = 294,332,439,698,943.25
  5. Step 5: Solve for x
    x = 294,332,439,698,943.25/28,460,064.40
  6. Step 6: Final answer
    x = 10,341,945.67

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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.