Finding the Fourth Proportional to 19,163,893.50, 26,445,931.65 and 10,903,929.84
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Solution
The fourth proportional to 19,163,893.50, 26,445,931.65 and 10,903,929.84 is: 15,047,285.84
Step by Step Solution
- Step 1: Write the proportion equation
19,163,893.50 : 26,445,931.65 = 10,903,929.84 : x - Step 2: Convert to fraction form
19,163,893.50/26,445,931.65 = 10,903,929.84/x - Step 3: Cross multiply
19,163,893.50x = 26,445,931.65 × 10,903,929.84 - Step 4: Simplify right side
19,163,893.50x = 288,364,583,265,035.44 - Step 5: Solve for x
x = 288,364,583,265,035.44/19,163,893.50 - Step 6: Final answer
x = 15,047,285.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.