Home / 12,730,663.19-19,095,807.80-3,146,041.46

Finding the Fourth Proportional to 12,730,663.19, 19,095,807.80 and 3,146,041.46

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Solution

The fourth proportional to 12,730,663.19, 19,095,807.80 and 3,146,041.46 is: 4,719,015.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,730,663.19 : 19,095,807.80 = 3,146,041.46 : x
  2. Step 2: Convert to fraction form
    12,730,663.19/19,095,807.80 = 3,146,041.46/x
  3. Step 3: Cross multiply
    12,730,663.19x = 19,095,807.80 × 3,146,041.46
  4. Step 4: Simplify right side
    12,730,663.19x = 60,076,202,963,377.45
  5. Step 5: Solve for x
    x = 60,076,202,963,377.45/12,730,663.19
  6. Step 6: Final answer
    x = 4,719,015.98

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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.