Home / 12,596,784.80-18,897,020.40-4,075,671.20

Finding the Fourth Proportional to 12,596,784.80, 18,897,020.40 and 4,075,671.20

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Solution

The fourth proportional to 12,596,784.80, 18,897,020.40 and 4,075,671.20 is: 6,114,103.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596,784.80 : 18,897,020.40 = 4,075,671.20 : x
  2. Step 2: Convert to fraction form
    12,596,784.80/18,897,020.40 = 4,075,671.20/x
  3. Step 3: Cross multiply
    12,596,784.80x = 18,897,020.40 × 4,075,671.20
  4. Step 4: Simplify right side
    12,596,784.80x = 77,018,041,810,092.48
  5. Step 5: Solve for x
    x = 77,018,041,810,092.48/12,596,784.80
  6. Step 6: Final answer
    x = 6,114,103.16

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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.