Home / 19,319,970.40-28,979,955.60-10,362,018.40

Finding the Fourth Proportional to 19,319,970.40, 28,979,955.60 and 10,362,018.40

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Solution

The fourth proportional to 19,319,970.40, 28,979,955.60 and 10,362,018.40 is: 15,543,027.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319,970.40 : 28,979,955.60 = 10,362,018.40 : x
  2. Step 2: Convert to fraction form
    19,319,970.40/28,979,955.60 = 10,362,018.40/x
  3. Step 3: Cross multiply
    19,319,970.40x = 28,979,955.60 × 10,362,018.40
  4. Step 4: Simplify right side
    19,319,970.40x = 300,290,833,158,383.06
  5. Step 5: Solve for x
    x = 300,290,833,158,383.06/19,319,970.40
  6. Step 6: Final answer
    x = 15,543,027.60

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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.