Home / 21,418,271.61-32,140,169.78-7,772,482.08

Finding the Fourth Proportional to 21,418,271.61, 32,140,169.78 and 7,772,482.08

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Solution

The fourth proportional to 21,418,271.61, 32,140,169.78 and 7,772,482.08 is: 11,663,354.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,418,271.61 : 32,140,169.78 = 7,772,482.08 : x
  2. Step 2: Convert to fraction form
    21,418,271.61/32,140,169.78 = 7,772,482.08/x
  3. Step 3: Cross multiply
    21,418,271.61x = 32,140,169.78 × 7,772,482.08
  4. Step 4: Simplify right side
    21,418,271.61x = 249,808,893,624,345.12
  5. Step 5: Solve for x
    x = 249,808,893,624,345.12/21,418,271.61
  6. Step 6: Final answer
    x = 11,663,354.46

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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.