Home / 38,017,718.10-52,465,482.56-21,500,312.72

Finding the Fourth Proportional to 38,017,718.10, 52,465,482.56 and 21,500,312.72

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Solution

The fourth proportional to 38,017,718.10, 52,465,482.56 and 21,500,312.72 is: 29,671,014.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,017,718.10 : 52,465,482.56 = 21,500,312.72 : x
  2. Step 2: Convert to fraction form
    38,017,718.10/52,465,482.56 = 21,500,312.72/x
  3. Step 3: Cross multiply
    38,017,718.10x = 52,465,482.56 × 21,500,312.72
  4. Step 4: Simplify right side
    38,017,718.10x = 1,128,024,281,675,877.25
  5. Step 5: Solve for x
    x = 1,128,024,281,675,877.25/38,017,718.10
  6. Step 6: Final answer
    x = 29,671,014.94

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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.