Finding the Fourth Proportional to 19,863,987.03, 29,779,908.53 and 6,210,108.63
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Solution
The fourth proportional to 19,863,987.03, 29,779,908.53 and 6,210,108.63 is: 9,310,138.32
Step by Step Solution
- Step 1: Write the proportion equation
19,863,987.03 : 29,779,908.53 = 6,210,108.63 : x - Step 2: Convert to fraction form
19,863,987.03/29,779,908.53 = 6,210,108.63/x - Step 3: Cross multiply
19,863,987.03x = 29,779,908.53 × 6,210,108.63 - Step 4: Simplify right side
19,863,987.03x = 184,936,466,931,713.06 - Step 5: Solve for x
x = 184,936,466,931,713.06/19,863,987.03 - Step 6: Final answer
x = 9,310,138.32
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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.