Home / 28,176,177.63-42,263,664.75-7,705,897.28

Finding the Fourth Proportional to 28,176,177.63, 42,263,664.75 and 7,705,897.28

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Solution

The fourth proportional to 28,176,177.63, 42,263,664.75 and 7,705,897.28 is: 11,558,681.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176,177.63 : 42,263,664.75 = 7,705,897.28 : x
  2. Step 2: Convert to fraction form
    28,176,177.63/42,263,664.75 = 7,705,897.28/x
  3. Step 3: Cross multiply
    28,176,177.63x = 42,263,664.75 × 7,705,897.28
  4. Step 4: Simplify right side
    28,176,177.63x = 325,679,459,028,538.56
  5. Step 5: Solve for x
    x = 325,679,459,028,538.56/28,176,177.63
  6. Step 6: Final answer
    x = 11,558,681.36

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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.