Home / 20,118,925.08-27,764,729.10-14,249,075.40

Finding the Fourth Proportional to 20,118,925.08, 27,764,729.10 and 14,249,075.40

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Solution

The fourth proportional to 20,118,925.08, 27,764,729.10 and 14,249,075.40 is: 19,664,157.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,925.08 : 27,764,729.10 = 14,249,075.40 : x
  2. Step 2: Convert to fraction form
    20,118,925.08/27,764,729.10 = 14,249,075.40/x
  3. Step 3: Cross multiply
    20,118,925.08x = 27,764,729.10 × 14,249,075.40
  4. Step 4: Simplify right side
    20,118,925.08x = 395,621,718,406,474.19
  5. Step 5: Solve for x
    x = 395,621,718,406,474.19/20,118,925.08
  6. Step 6: Final answer
    x = 19,664,157.84

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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.