Finding the Fourth Proportional to 12,687,395.24, 19,030,927.80 and 3,102,856.76
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Solution
The fourth proportional to 12,687,395.24, 19,030,927.80 and 3,102,856.76 is: 4,654,244.77
Step by Step Solution
- Step 1: Write the proportion equation
12,687,395.24 : 19,030,927.80 = 3,102,856.76 : x - Step 2: Convert to fraction form
12,687,395.24/19,030,927.80 = 3,102,856.76/x - Step 3: Cross multiply
12,687,395.24x = 19,030,927.80 × 3,102,856.76 - Step 4: Simplify right side
12,687,395.24x = 59,050,242,973,301.93 - Step 5: Solve for x
x = 59,050,242,973,301.93/12,687,395.24 - Step 6: Final answer
x = 4,654,244.77
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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.