Home / 15,264,945.64-21,066,130.02-8,389,671.40

Finding the Fourth Proportional to 15,264,945.64, 21,066,130.02 and 8,389,671.40

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Solution

The fourth proportional to 15,264,945.64, 21,066,130.02 and 8,389,671.40 is: 11,578,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,264,945.64 : 21,066,130.02 = 8,389,671.40 : x
  2. Step 2: Convert to fraction form
    15,264,945.64/21,066,130.02 = 8,389,671.40/x
  3. Step 3: Cross multiply
    15,264,945.64x = 21,066,130.02 × 8,389,671.40
  4. Step 4: Simplify right side
    15,264,945.64x = 176,737,908,537,475.44
  5. Step 5: Solve for x
    x = 176,737,908,537,475.44/15,264,945.64
  6. Step 6: Final answer
    x = 11,578,024.10

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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.