Finding the Fourth Proportional to 19,210,392.79, 26,510,970.41 and 10,950,305.20
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Solution
The fourth proportional to 19,210,392.79, 26,510,970.41 and 10,950,305.20 is: 15,111,779.35
Step by Step Solution
- Step 1: Write the proportion equation
19,210,392.79 : 26,510,970.41 = 10,950,305.20 : x - Step 2: Convert to fraction form
19,210,392.79/26,510,970.41 = 10,950,305.20/x - Step 3: Cross multiply
19,210,392.79x = 26,510,970.41 × 10,950,305.20 - Step 4: Simplify right side
19,210,392.79x = 290,303,217,016,640.19 - Step 5: Solve for x
x = 290,303,217,016,640.19/19,210,392.79 - Step 6: Final answer
x = 15,111,779.35
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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.