Home / 14,130,038.70-21,200,587.65-5,155,497.90

Finding the Fourth Proportional to 14,130,038.70, 21,200,587.65 and 5,155,497.90

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Solution

The fourth proportional to 14,130,038.70, 21,200,587.65 and 5,155,497.90 is: 7,735,264.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130,038.70 : 21,200,587.65 = 5,155,497.90 : x
  2. Step 2: Convert to fraction form
    14,130,038.70/21,200,587.65 = 5,155,497.90/x
  3. Step 3: Cross multiply
    14,130,038.70x = 21,200,587.65 × 5,155,497.90
  4. Step 4: Simplify right side
    14,130,038.70x = 109,299,585,108,340.94
  5. Step 5: Solve for x
    x = 109,299,585,108,340.94/14,130,038.70
  6. Step 6: Final answer
    x = 7,735,264.38

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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.