Finding the Fourth Proportional to 42,053,116.65, 63,079,254.58 and 13,299,257.13
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Solution
The fourth proportional to 42,053,116.65, 63,079,254.58 and 13,299,257.13 is: 19,948,752.75
Step by Step Solution
- Step 1: Write the proportion equation
42,053,116.65 : 63,079,254.58 = 13,299,257.13 : x - Step 2: Convert to fraction form
42,053,116.65/63,079,254.58 = 13,299,257.13/x - Step 3: Cross multiply
42,053,116.65x = 63,079,254.58 × 13,299,257.13 - Step 4: Simplify right side
42,053,116.65x = 838,907,226,228,150.12 - Step 5: Solve for x
x = 838,907,226,228,150.12/42,053,116.65 - Step 6: Final answer
x = 19,948,752.75
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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.