Home / 51,509,871.90-77,264,807.85-13,174,386.30

Finding the Fourth Proportional to 51,509,871.90, 77,264,807.85 and 13,174,386.30

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Solution

The fourth proportional to 51,509,871.90, 77,264,807.85 and 13,174,386.30 is: 19,761,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,509,871.90 : 77,264,807.85 = 13,174,386.30 : x
  2. Step 2: Convert to fraction form
    51,509,871.90/77,264,807.85 = 13,174,386.30/x
  3. Step 3: Cross multiply
    51,509,871.90x = 77,264,807.85 × 13,174,386.30
  4. Step 4: Simplify right side
    51,509,871.90x = 1,017,916,426,011,172.38
  5. Step 5: Solve for x
    x = 1,017,916,426,011,172.38/51,509,871.90
  6. Step 6: Final answer
    x = 19,761,579.45

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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.