Home / 21,033,077.70-31,549,616.58-5,076,725.70

Finding the Fourth Proportional to 21,033,077.70, 31,549,616.58 and 5,076,725.70

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Solution

The fourth proportional to 21,033,077.70, 31,549,616.58 and 5,076,725.70 is: 7,615,088.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,077.70 : 31,549,616.58 = 5,076,725.70 : x
  2. Step 2: Convert to fraction form
    21,033,077.70/31,549,616.58 = 5,076,725.70/x
  3. Step 3: Cross multiply
    21,033,077.70x = 31,549,616.58 × 5,076,725.70
  4. Step 4: Simplify right side
    21,033,077.70x = 160,168,749,316,832.09
  5. Step 5: Solve for x
    x = 160,168,749,316,832.09/21,033,077.70
  6. Step 6: Final answer
    x = 7,615,088.56

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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.