Finding the Fourth Proportional to 58,281,988.38, 87,421,782.26 and 19,423,261.80
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Solution
The fourth proportional to 58,281,988.38, 87,421,782.26 and 19,423,261.80 is: 29,134,492.68
Step by Step Solution
- Step 1: Write the proportion equation
58,281,988.38 : 87,421,782.26 = 19,423,261.80 : x - Step 2: Convert to fraction form
58,281,988.38/87,421,782.26 = 19,423,261.80/x - Step 3: Cross multiply
58,281,988.38x = 87,421,782.26 × 19,423,261.80 - Step 4: Simplify right side
58,281,988.38x = 1,698,016,163,858,575.75 - Step 5: Solve for x
x = 1,698,016,163,858,575.75/58,281,988.38 - Step 6: Final answer
x = 29,134,492.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.