Finding the Fourth Proportional to 10,873,206.40, 16,315,058.40 and 7,671,438.40
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Solution
The fourth proportional to 10,873,206.40, 16,315,058.40 and 7,671,438.40 is: 11,510,860.82
Step by Step Solution
- Step 1: Write the proportion equation
10,873,206.40 : 16,315,058.40 = 7,671,438.40 : x - Step 2: Convert to fraction form
10,873,206.40/16,315,058.40 = 7,671,438.40/x - Step 3: Cross multiply
10,873,206.40x = 16,315,058.40 × 7,671,438.40 - Step 4: Simplify right side
10,873,206.40x = 125,159,965,508,002.56 - Step 5: Solve for x
x = 125,159,965,508,002.56/10,873,206.40 - Step 6: Final answer
x = 11,510,860.82
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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.