Home / 30,627,660.54-42,267,073.12-16,877,510.40

Finding the Fourth Proportional to 30,627,660.54, 42,267,073.12 and 16,877,510.40

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Solution

The fourth proportional to 30,627,660.54, 42,267,073.12 and 16,877,510.40 is: 23,291,461.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,627,660.54 : 42,267,073.12 = 16,877,510.40 : x
  2. Step 2: Convert to fraction form
    30,627,660.54/42,267,073.12 = 16,877,510.40/x
  3. Step 3: Cross multiply
    30,627,660.54x = 42,267,073.12 × 16,877,510.40
  4. Step 4: Simplify right side
    30,627,660.54x = 713,362,966,160,360.38
  5. Step 5: Solve for x
    x = 713,362,966,160,360.38/30,627,660.54
  6. Step 6: Final answer
    x = 23,291,461.17

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1.5x scale

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.