Finding the Fourth Proportional to 58,281,986.37, 87,421,779.27 and 19,423,259.81
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Solution
The fourth proportional to 58,281,986.37, 87,421,779.27 and 19,423,259.81 is: 29,134,489.70
Step by Step Solution
- Step 1: Write the proportion equation
58,281,986.37 : 87,421,779.27 = 19,423,259.81 : x - Step 2: Convert to fraction form
58,281,986.37/87,421,779.27 = 19,423,259.81/x - Step 3: Cross multiply
58,281,986.37x = 87,421,779.27 × 19,423,259.81 - Step 4: Simplify right side
58,281,986.37x = 1,698,015,931,376,573.25 - Step 5: Solve for x
x = 1,698,015,931,376,573.25/58,281,986.37 - Step 6: Final answer
x = 29,134,489.70
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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.