Home / 27,788,679.55-38,348,602.95-15,398,979.93

Finding the Fourth Proportional to 27,788,679.55, 38,348,602.95 and 15,398,979.93

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Solution

The fourth proportional to 27,788,679.55, 38,348,602.95 and 15,398,979.93 is: 21,250,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,788,679.55 : 38,348,602.95 = 15,398,979.93 : x
  2. Step 2: Convert to fraction form
    27,788,679.55/38,348,602.95 = 15,398,979.93/x
  3. Step 3: Cross multiply
    27,788,679.55x = 38,348,602.95 × 15,398,979.93
  4. Step 4: Simplify right side
    27,788,679.55x = 590,529,367,184,746.25
  5. Step 5: Solve for x
    x = 590,529,367,184,746.25/27,788,679.55
  6. Step 6: Final answer
    x = 21,250,717.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.