Home / 8,710,802.64-13,067,948.09-4,878,075.57

Finding the Fourth Proportional to 8,710,802.64, 13,067,948.09 and 4,878,075.57

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Solution

The fourth proportional to 8,710,802.64, 13,067,948.09 and 4,878,075.57 is: 7,318,090.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710,802.64 : 13,067,948.09 = 4,878,075.57 : x
  2. Step 2: Convert to fraction form
    8,710,802.64/13,067,948.09 = 4,878,075.57/x
  3. Step 3: Cross multiply
    8,710,802.64x = 13,067,948.09 × 4,878,075.57
  4. Step 4: Simplify right side
    8,710,802.64x = 63,746,438,327,857.16
  5. Step 5: Solve for x
    x = 63,746,438,327,857.16/8,710,802.64
  6. Step 6: Final answer
    x = 7,318,090.07

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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.