Home / 8,730,428.40-12,047,371.92-4,810,013.28

Finding the Fourth Proportional to 8,730,428.40, 12,047,371.92 and 4,810,013.28

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Solution

The fourth proportional to 8,730,428.40, 12,047,371.92 and 4,810,013.28 is: 6,637,477.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730,428.40 : 12,047,371.92 = 4,810,013.28 : x
  2. Step 2: Convert to fraction form
    8,730,428.40/12,047,371.92 = 4,810,013.28/x
  3. Step 3: Cross multiply
    8,730,428.40x = 12,047,371.92 × 4,810,013.28
  4. Step 4: Simplify right side
    8,730,428.40x = 57,948,018,924,299.10
  5. Step 5: Solve for x
    x = 57,948,018,924,299.10/8,730,428.40
  6. Step 6: Final answer
    x = 6,637,477.14

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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.