Home / 18,875,637.90-28,292,461.65-10,362,084.30

Finding the Fourth Proportional to 18,875,637.90, 28,292,461.65 and 10,362,084.30

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Solution

The fourth proportional to 18,875,637.90, 28,292,461.65 and 10,362,084.30 is: 15,531,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875,637.90 : 28,292,461.65 = 10,362,084.30 : x
  2. Step 2: Convert to fraction form
    18,875,637.90/28,292,461.65 = 10,362,084.30/x
  3. Step 3: Cross multiply
    18,875,637.90x = 28,292,461.65 × 10,362,084.30
  4. Step 4: Simplify right side
    18,875,637.90x = 293,168,872,671,817.12
  5. Step 5: Solve for x
    x = 293,168,872,671,817.12/18,875,637.90
  6. Step 6: Final answer
    x = 15,531,600.80

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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.