Finding the Fourth Proportional to 19,417,833.60, 29,145,412.80 and 9,844,022.40
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Solution
The fourth proportional to 19,417,833.60, 29,145,412.80 and 9,844,022.40 is: 14,775,494.65
Step by Step Solution
- Step 1: Write the proportion equation
19,417,833.60 : 29,145,412.80 = 9,844,022.40 : x - Step 2: Convert to fraction form
19,417,833.60/29,145,412.80 = 9,844,022.40/x - Step 3: Cross multiply
19,417,833.60x = 29,145,412.80 × 9,844,022.40 - Step 4: Simplify right side
19,417,833.60x = 286,908,096,460,446.75 - Step 5: Solve for x
x = 286,908,096,460,446.75/19,417,833.60 - Step 6: Final answer
x = 14,775,494.65
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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.