Home / 39,640,690.80-59,461,036.20-12,717,068.40

Finding the Fourth Proportional to 39,640,690.80, 59,461,036.20 and 12,717,068.40

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Solution

The fourth proportional to 39,640,690.80, 59,461,036.20 and 12,717,068.40 is: 19,075,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,640,690.80 : 59,461,036.20 = 12,717,068.40 : x
  2. Step 2: Convert to fraction form
    39,640,690.80/59,461,036.20 = 12,717,068.40/x
  3. Step 3: Cross multiply
    39,640,690.80x = 59,461,036.20 × 12,717,068.40
  4. Step 4: Simplify right side
    39,640,690.80x = 756,170,064,490,276.12
  5. Step 5: Solve for x
    x = 756,170,064,490,276.12/39,640,690.80
  6. Step 6: Final answer
    x = 19,075,602.60

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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.